Set Fire to the Rain" is a song by British singer-songwriter Adele from her second studio album 21. Written by Adele and Fraser T. Smith and produced by Smith, the power ballad was released as the second single from the album in Europe. It was released as the third single in the United Kingdom on 4 July 2011, where the song has peaked at number 11. The song has peaked at number one in Belgium, Poland, the Netherlands, the Czech Republic, Slovakia, and the United States. The song has charted within the top 10 of Austria, Canada, Denmark, Finland, France, Germany, Ireland, Italy, New Zealand, Norway, South Africa and Switzerland.

"Set Fire to the Rain" was released on 21 November 2011 as 21's third official single in the United States, and has since peaked at number one on the Billboard Hot 100. The song is the third consecutive number-one single of the same album; the last female singer who achieved this was Katy Perry in 2010. Adele is the first female British artist in history to have three consecutive US number ones. With "Rolling in the Deep", "Someone Like You" and "Set Fire to the Rain" Adele logged a total of 14 weeks atop of the Hot 100, this is the most number of weeks at number one a British female artist has had from the same album.

Part of Me" is a song by American recording artist Katy Perry, released as the lead single from Teenage Dream: The Complete Confection, the re-release edition of her second studio album, Teenage Dream. It was written by Perry and Bonnie McKee, with production and additional writing by Dr. Luke, Max Martin and Cirkut. The song was not included on the original edition of Teenage Dream because Perry felt that it did not fit the composition of the album. A demo of the song leaked online in late 2010, amid speculation that the lyrics were directed to the singer's ex-boyfriend Travis McCoy. "Part of Me" was re-worked and officially released on February 13, 2012, through Capitol Records with artwork by photographer Mary Ellen Matthews.

The production draws inspiration from several genres, including house music, Dance-pop, pop rock and power pop; reviewers compared it to Jessie J's 2011 single "Domino", and Perry's 2010 singles "Firework" and "California Gurls". Its lyrics describe a female protagonist who declares herself as un-breakable and strong following a dramatic break-up. Contemporary music critics praised the song's production and gave it mixed-to-positive reviews, although some criticized Perry's vocals. Critics and media alike theorized that the lyrics addressed Perry's divorce from Russell Brand, although Perry denied this and stated that it was written in early 2010.   "Part of Me" was a commercial success. It was the twentieth song to debut at number one on the Billboard Hot 100, Perry's seventh number-one single on the chart, and her ninth consecutive number-one single on the Billboard Hot Dance Club Songs chart. The single debuted at number one in the United Kingdom and Canada, and has been certified Platinum in the United States, Australia and New Zealand.

We Are Young" is a song by American band Fun. and the first single from their second studio album Some Nights. It was released on September 20, 2011. Musically, "We Are Young" is a power ballad that incorporates the genres of indie pop, alternative rock, and power pop. The song received generally positive reviews from music critics, with many noting the song as a breakthrough for the indie genre and praising the song's catchiness. "We Are Young" has attained commercial success worldwide, reaching number one in several countries.

The track initially only gained attention from online media, but was soon covered by the television show Glee. With the Glee version having success on the charts, the song was licensed for use in a Chevrolet Sonic commercial that aired during Super Bowl XLVI. The single song propelled the band into mainstream success, topping the digital charts in February 2012 and becoming a crossover hit, peaking at number one on the Billboard Hot 100 through airplay on contemporary hit radio stations, topping the chart for six weeks straight. It is also the first song to log seven weeks of 300,000 or more in digital sales, a record that was previously held by Eminem's "Love the Way You Lie" (2010). "We Are Young" has been certified five-times platinum by the Recording Industry Association of America, and is both Fun and Monáe's first charting single on the Hot 100, as well as their first number-one single. The song also topped the Hot 100 Airplay chart with 120 million impressions in seven weeks, becoming the first group since Destiny's Child's "Survivor" (2001) to do so.

We Are Never Ever Getting Back Together" is a song recorded by American recording artist Taylor Swift. It was written by Swift with Max Martin and Shellback. Production was handled by Martin, and Shellback, with Scott Borchetta serving as executive producer. It was released as the lead single from Swift's fourth studio album Red (2012) on August 13, 2012 by Big Machine Records.

"We Are Never Ever Getting Back Together" is a pop song with bubblegum pop influences while the lyrics depict Swift's frustration at an ex-lover who wants to re-kindle their relationship. The songwriters wrote the song after Swift's ex-boyfriend's friend spoke of rumors he heard that Swift and her former boyfriend were reuniting. The song received mixed reviews from music critics; some praised the catchy, radio-friendly hook while others felt the song lacked the thoughtfulness of Swift's previous, more guitar-based work.

The song was an instant commercial success, topping the iTunes chart all over the world becoming the fastest-selling digital single and biggest digital sales week ever for a song by a woman in history with 623,000 copies, overtaking Lady Gaga's "Born This Way" and Kesha's "Tik Tok", respectively records. It is the first song in Swift's career to peak at number one on the Billboard Hot 100, and the first song to hold the top spot for more than one week after a huge leap, since Kelly Clarkson's two-week run of "My Life Would Suck Without You" after the song rocketed from number ninety-seven to the top spot. A music video for the song was released in August 2012. It was the first music video to be presented in 4K resolution and received positive reviews from critics. A CD single was released in September 2012 by Swift's official store, Amazon.com and US Walmart stores

Domino" is a song by English singer-songwriter Jessie J from her debut studio album, Who You Are (2011). The song was released on 29 August 2011 as the fifth single from the album. Musically, Domino is a dance-pop song with influences of disco and R&B. It was written by Jessie J, Dr. Luke, Claude Kelly, Max Martin and Cirkut, and it was produced by Dr. Luke and Cirkut. The song became Jessie J's second number-one single in the UK, following the Dr. Luke-produced "Price Tag" (2011). In the United States, the song peaked at number 6 on the Billboard Hot 100, becoming her most successful single in the USA. It was used in Disney's Re-Micks.   "Domino" was written by Lukasz Gottwald, Claude Kelly, Max Martin, Henry Walter and Jessie J herself The production of the song was helmed by Gottwald under his stage name Dr. Luke and Cirkut (record producer). In July, 2011, Jessie J teased her fans via her official Twitter profile whilst posting 21-second clip of the song. "Domino" officially premiered on 16 August 2011 on Jessie J' official YouTube account. During an interview with MTV Buzzworthy, Jessie J further explained the concept behind the song, "People have heard 'Domino' and said 'it's nothing like you.' But I'm like well the album's really eclectic anyway, and I never go into the studio and say 'I wanna do another song that's like 'Price Tag' or another song like 'Do It Like a Dude'." In the same interview Jessie J unveiled that she listened to Whitney Houston and Prince a lot, so she came up with an idea to write a song that is "timeless, fun and uplifting". The song was released as lead single from the platinum edition of Jessie J's debut album Who You Are and fifth overall.

In the United Kingdom, "Domino" debuted at number 54 on the UK Singles Chart issued for 31 December 2011. It then registered a 20-position climb to number 34, becoming Jessie J's sixth consecutive top 40 hit in the United Kingdom. On 14 January 2012, "Domino" climbed a further 26 places to number eight with sales of 30,192, becoming Jessie J's fifth top ten hit from Who You Are. The single then rose seven places to replace Flo Rida's "Good Feeling" at the top of the UK Singles Chart, registering Jessie J's second number-one hit in the United Kingdom following "Price Tag" in 2011. It was number-one for two consecutive weeks, selling 64,255 copies and 12.01% more in its second week at number-one.

Drive By" is a song by American pop rock band Train from their sixth studio album, California 37. It was released in the United States as the album's lead single on January 10, 2012. The song was written by lead singer Patrick Monahan and Norwegian songwriting duo Espen Lind, Amund Bjørklund, the same team responsible for Train's 2010 hit single "Hey, Soul Sister". "Drive By" peaked at number 10 on the Billboard Hot 100, becoming the band's third top 10 hit in the US. It was awarded a double platinum certification by the RIAA on July 23, 2012, for more than 2 million sales in the US.Internationally, the song became a top ten hit in 13 countries. Train performed the song on television series 90210 in the episode "Blood Is Thicker Than Mud", which aired on March 13, 2012.

"Drive By" is a pop rock song. The instrumentation consists of "buoyant acoustic riffs and a hook-laden melody". Lead singer Patrick Monahan sings in a characteristic "sing-talk vocal croon".

Give Your Heart a Break" is a song performed by American recording artist Demi Lovato, released as the second and possibly final single for her third studio album, Unbroken (2011). The track was written and produced by American songwriters Josh Alexander and Billy Steinberg. Musically, it is a dance-pop ballad that comprises instruments like the drums, violin and strings; the latter two, according to music critics, are reminiscent of those used in Coldplay's "Viva la Vida" (Viva la Vida or Death and All His Friends, 2008). Hollywood Records serviced the song to mainstream radios on January 23, 2012 in the United States. Lyrically, the song chronicles the protagonist's attempt to win over her lover who has been hurt in a relationship.

"Give Your Heart a Break" received critical acclaim from contemporary music critics, praising the production as well as Lovato's vocals. The single debuted at #72 on the Billboard Hot 100, and has peaked at #16, thus far, as well as reaching #1 on Billboard Pop 100 Songs. It also reached #9 in Brazil. In Belgium, it peaked at #32. The song has debuted at 22 in New Zealand and has so far peaked at #9, marking the first time Lovato has had two top 10 singles from one album in that country. The music video for the song features Lovato attempting to persuade her lover that she is the right one for him and will not break his heart like his past girlfriends, creating a collage of photographs taken during the video that when put together create a photo of the two in each other's embrace. Lovato has promoted the song through several stage performances, including her performance at the Z100 Jingle Ball concert. The song has been her biggest radio hit to date, reaching #1 on the U.S. Top 40 charts. The song has sold over 1,000,000 digital copies and was officially certified Platinum in the United States on August 15, 2012

Glad You Came" is a song by British-Irish boy band The Wanted, taken as the second single from their second studio album, Battleground. It was released on 10 July 2011. The dance-pop song was written by Steve Mac, Wayne Hector and Ed Drewett, and was produced by Steve Mac. It debuted at number one in the United Kingdom and Ireland. In the United States, it was released on 18 October 2011 as the second single from the band's debut stateside release, The Wanted (EP). It peaked at number 3 on the Billboard Hot 100.

The song was written and produced by Steve Mac. It serves as the second single from The Wanted's second album, Battleground which was released on 7 November 2011. Band member Tom Parker said of the song, "We all felt it was a new, refreshing sound and a perfect song for the summer which really gets you in the mood for a party." The song premiered on the radio on 24 May 2011. The song was also remixed by Alex Gaudino. The American television series Glee covered the track in the episode "On My Way", which was aired during the third season. It was performed at the Regionals competition between New Directions and the Dalton Academy Warblers. Sebastian (Grant Gustin) leads the performance

Feel So Close" is a song by Scottish recording artist Calvin Harris from his upcoming album 18 Months. It was released as the album's second single on 19 August 2011. Harris returns to singing on this song, after previously stating he had quit singing in concerts. In the United Kingdom, the song debuted at number two, becoming Harris' sixth solo top ten single. The song also marked his second to chart on the US Billboard Hot 100 (his first being featured on Rihanna's "We Found Love"). It was first heard by many Americans as the music for Team iLuminate's routine on the America's Got Talent finals show on 13 September 2011. The song was featured in the CW's supernatural drama The Secret Circle in the fourteenth episode of the first season which was titled "Valentine". The song has sold over 2 million copies in the US as of August 2012.

Robert Copsey of Digital Spy gave the song four out of five stars writing, "'I feel so close to you right now/ It's a force field', he sing-speaks in a clumsy but infatuated manner over melancholic piano chords, before a breezy, lyric-less chorus of squawking electronic sirens and crazy synths bound around like a bucking bronco at a Texas rodeo rave. The result is a wistful yet exhilarating club thumper—and as for those vocals, well, if you want something done right..."

Good Girl" is a country song by American recording artist Carrie Underwood. The song was written by Chris DeStefano, Ashley Gorley and Underwood. It was released by Arista Nashville as the lead single from Underwood's fourth studio album, Blown Away.   Underwood debuted the song in a live performance during the annual Country Radio Seminar (CRS) event in Nashville on February 23, 2012. The studio track of the song was sent to country radio stations directly following the performance. It was made available for purchase as a digital download on February 23, 2012. "Good Girl" officially impacted country radio on February 27, 2012 and was officially released to Hot AC radio on April 23, 2012.    On January 25, 2012, Underwood announced on her official website that the new single will be released in February. She co-wrote the song with Chris DeStefano and Ashley Gorley. Gorley has previously worked with Underwood on her singles "Don't Forget to Remember Me" and "All-American Girl."   

"Good Girl" is about Underwood warning a good girl about her ex-boyfriend, saying that he is actually no good, and that she is better off without him.    The song is in C minor, with an approximate tempo of 126 beats per minute. It does not use full chords, but rather a pattern of open fifths consisting of C5-F5-E♭5-B♭5. Underwood's vocal ranges from G3 to F5.     "Good Girl" was released for purchase on iTunes at 10pm on February 23, 2012. As of February 29, 2012, "Good Girl" sold 108,000 digital downloads in its first 3 days of sales, making it Underwood's fastest selling single ever. "Good Girl" has sold 1,251,000 as of August 1st. As of May 15, 2012, "Good Girl" has been certified Gold in Canada, with more than 40,000 digital copies being sold.

Home" is the debut single and coronation song from American Idol season 11 winner Phillip Phillips. The song was co-written by Drew Pearson and Greg Holden, and produced by Drew Pearson.   Phillips first performed the song on the season's final performance night on May 22, 2012, and then again on the finale after he was declared the winner. His recording of "Home" was released as a single on May 23, 2012. The single debuted at number ten on the Billboard Hot 100 with a first week sales figure of 278,000 downloads. It is the biggest digital sales week for any Idol winner's coronation song.   The song was written by Drew Pearson and Greg Holden, and chosen by Jimmy Iovine as a coronation song for the eventual winner of Season 11 of American Idol, Phillip Phillips. According to Drew Pearson, it was originally intended for Greg Holden, but was submitted to Idol as a possible finale number by Pearson's publishing company, Pulse Recordings. Pearson and Holden had previously not met before but were brought together to write the song, with Holden the primary lyricist. The song was written in three hours and a demo recorded. Holden had performed the song in his tour, but he expressed no intention of releasing his recording of the song. Pearson cited Mumford & Sons, Arcade Fire and a few Irish bands as influences for the song

"Home" debuted on the Billboard Hot 100 at No. 10, the first time in four years a coronation single from an American Idol winner reach the top 10 since David Cook's single "The Time of My Life" debuted at number three. It sold 278,000 the first week, which is the biggest digital sales week for a winner's coronation song, surpassing David Cook's "Time of My Life" first week sales of 236,000 in 2008, and is also the second-best digital sales week ever for any "Idol" contestant, behind Kelly Clarkson's 2009 song "My Life Would Suck Without You" which sold 280,000 in its debut week. The song was later used in the NBC coverage of the 2012 Summer Olympics, and the song reentered the Hot 100 at 84 on August 1 on the strength of one night boost in sales after its first airing. The song then sold over 105,000 copies in a span of the three days the next week, and totalled 228,000 for the week. It also re-entered the Top 10 and reached a new high of number 9 in the Hot 100 chart the same week, the first song to reach the Hot 100's Top 10 in separate chart runs in a single calendar year. The following week its sales exceeded a million

I Won't Give Up" is a song by American singer Jason Mraz. It was released as the first official single from his seventh studio album, Love Is a Four Letter Word on January 3, 2012 via iTunes.

While the song debuted at No. 8 on the Billboard Hot 100, it immediately hit the top spot on the Hot Digital Songs chart selling 229,000 downloads for its first week. On Adult Pop Songs it began at No. 36. The song is first top ten hit on Billboard Hot 100 since 2008's "I'm Yours"

International Love" is a song by American rapper Pitbull from his sixth studio album, Planet Pit. The song features vocals from American R&B singer Chris Brown. It was written by Pitbull, Soulshock, Peter Biker, Sean Hurley and Claude Kelly, and it was produced by Soulshock, Biker and Hurley. The song was first released on May 27, 2011 as the first promotional single from the album. However, on October 11, 2011 the single started airing on rhythmic radio in the United States, and was finally released as the fourth and final official single on November 1, 2011 when it impacted US mainstream radio. It has so far peaked at number 13 on the Billboard Hot 100 in the United States.

"International Love" was first released as a promotional single on May 29, 2011. Later, the song was released as the fourth official single from the album on November 1, 2011.

The song was written by Pitbull, Soulshock, Peter Biker, Sean Hurley and Claude Kelly, and it was produced by Soulshock, Biker and Hurley. American R&B recording artist Chris Brown provides guest vocals on the hook and bridge. It is a dance-pop song, following the strong world dance music feel of the album.

"International Love" entered the ARIA Singles Charts in Australia at number 48 on November 27, 2011 due to strong digital sales from the album. Following the single's official release, the song re-entered the chart at number 34 on January 15, 2012, and has since peaked at number 27. It has been certified gold by the Australian Recording Industry Association (ARIA) for sales of 35,000 digital downloads. In the United Kingdom, "International Love" debuted at number 142 on the UK Singles Chart on the issue dated December 14, 2011. The following week the song rose to number 99, before dropping to number 94 the week after. In its fourth week on the chart rose to number 44. The following week it moved to number 23 after selling 12,639 units. In its sixth week on the chart, the song peaked at number thirteen with sales of 18,620 copies

Lights" is a song by English recording artist Ellie Goulding from her debut album, Lights (2010). Written by Goulding, Richard Stannard and Ash Howes, the song was inspired by Goulding's childhood fear of the dark. It was released in the United Kingdom on 13 March 2011 as the album's sixth single overall, and second from the Bright Lights re-release. Originally a bonus track on the iTunes edition of Lights, the song was re-edited for inclusion on Bright Lights in late 2010, serving as the single version.

In the United States, "Lights" was a sleeper hit, spending one year and three months on the Billboard Hot 100 before finally reaching the number two of the chart in August 2012, after being released in May 2011. The song was certified triple platinum by the Recording Industry Association of America (RIAA), with sales of over three million downloads in the United States.

"Lights" originally debuted at number 111 on the UK Singles Chart for the week of 12 December 2010, based on digital saes from Bright Lights. Three months later, on 6 March 2011, the single entered the top 100 for the first time at number ninety-one. The following week, it rose to number sixty-four, eventually reaching its peak position of number forty-nine in its third week on the chart.

On the issue dated 20 August 2011, "Lights" debuted at number eighty-five on the Billboard Hot 100 and at number eighty-nine on the Canadian Hot 100, becoming Goulding's first single to chart in North America. The song re-entered the Billboard Hot 100 at number ninety-nine for the week of 14 January 2012. When "Lights" reached number forty in its nineteenth week, on the issue dated 12 May, the song represented the third slowest climb to the top forty by a female artist, after Norah Jones's "Don't Know Why" and KT Tunstall's "Suddenly I See". In its twenty-ninth week, the song made Hot 100 history by achieving the longest climb to the chart's top five not aided by country-to-pop crossover success or multiple releases. The single peaked at number two on the chart dated 18 August 2012, and held that position for two weeks, behind "Call Me Maybe" by Carly Rae Jepsen and "Whistle" by Flo Rida, respectively.

Rack City" is a club-rap song by American rapper Tyga. First released on December 2, 2011, the song serves as the third single from his debut studio album, Careless World: Rise of the Last King (2012). DJ Mustard produced and co-wrote the song, which has become Tyga's biggest hit in the United States. It reached a peak of number 7 on the Billboard Hot 100, number 7 on the R&B/Hip-Hop chart, number 6 on the Rap chart, and number 53 on the Canadian Hot 100.

"Rack City" was written by Tyga and DJ Mustard, with the latter also handling the song's production. The song originally appeared on Tyga's mixtape, Well Done 2 (2010). On November 19, 2010, Rap-Up announced that "Rack City" would be released to the iTunes Store in the United States as the second single from Careless World: Rise of the Last King.

For the chart dated December 10, 2010, "Rack City" debuted at number ninety-four on the Billboard Hot 100. On its eighth charting week, dated January 28, 2010, the single rose fifteen places to number eight - marking Tyga's first solo top ten single. The single spent two non-consecutive weeks in the top 10 before reaching a current peak of number seven on the week ending February 18, 2010. "Rack City" has also reached the top ten on the Hot R&B/Hip-Hop Songs chart and Rap Songs chart - having debuted at number ninety-one on the former for the chart dated November 26, 2011.  On the week ending February 4, 2012, "Rack City" made its debut on the UK Singles Chart, landing in at position number one hundred and fifty-eight. On its third charting week, the single rose twenty-four places to number ninety-eight. The track also charted on the R&B chart, reaching a peak of number twenty-seven for the week ending February 18, 2012

Rumour Has It" is a song by the English singer-songwriter Adele and last single from her second studio album, 21. The song was written by Adele and Ryan Tedder while the production was handled by Tedder. Adele revealed that the song was not inspired by the media but it was aimed at her friends who believed things they heard about her. Musically, "Rumour Has It" contains jazz, blues, and pop elements accompanied by a stomp beat and piano. It has been confirmed as the fourth single from 21 in the United States.

The song received generally positive reviews from critics who praised Adele's voice and the song's "catchiness." Even without having been released as a single, the song charted on the Billboard Hot 100 at number 16 and topped the Triple A chart. In the Netherlands, the record was released as the fourth single of the album, after "Rolling in the Deep", "Set Fire to the Rain" and "Someone Like You." The track has received a Platinum certification by the RIAA for sales exceeding 1,000,000 units in the U.S. It has been covered by Jeremih and by Glee cast during the episode "Mash Off" with Adele's other song "Someone Like You", and also by Katharine McPhee during the episode "The Cost of Art" from the TV series Smash. Adele added the song to the set list on her second worldwide tour Adele Live.

"Rumour Has It" has charted on various formats, including the Rock Songs chart peaking at number 28 and the Triple A chart, where it reached the top position for one week in August 2011. It has also charted on the Billboard Hot 100 at number 96 for the week ending 3 August 2011. As of March 2012, "Rumour Has It" sold over 1,000,000 copies in the United States according to Nielsen SoundScan, and should be noted that the song sold 500,000 copies before its single release. The track already has a history on the singles chart. "Rumour" reached No. 16 on the Hot 100 in December, fueled largely by the "Glee" cast's exposure of the song. The same week, the TV troupe bowed at No. 11 with its mash-up of the song and Adele's "Someone Like You". To date, "Rumour Has It" is the only single from 21 to not reach the summit of the Billboard Hot 100.

Springsteen" is the title of a song co-written by American country music artist Eric Church, Jeff Hyde and Ryan Tyndell and recorded by Church. It was released in February 2012 as the eleventh single of his career, and the third from his third studio album, Chief.

The song makes several allusions to Bruce Springsteen songs (including Born to Run and Born in the USA) but in the main concerns memories of a teenage relationship. Eric Church stated in an interview that the song was inspired by a memory of a girl that involved another artist's song, but he chose to build it around Springsteen whose career he admires.

"Springsteen" debuted at number 52 on the U.S. Billboard Hot Country Songs chart for the week of February 18, 2012. "Springsteen" became Eric Church's second number one single in June 2012.

Starships" is a song by Trinidadian recording artist Nicki Minaj. It serves as the first single from her second studio album, Pink Friday: Roman Reloaded, premiering during On Air with Ryan Seacrest on February 14, 2012. It was written by Minaj, RedOne, Carl Falk, Rami Yacoub, Wayne Hector, and Adam Hicks and it was produced by RedOne, Yacoub and Falk. The song was released for digital download on February 14, 2012. An accompanying music video for the single was shot in Hawaii on March 13–15, 2012.

"Starships" debuted at number 9 on the Billboard Hot 100, marking her second solo arrival in the Top 10 of the chart, after "Super Bass", which reached number 3 in 2011. The song peaked at number 5 on the Billboard Hot 100, and was certified triple platinum in the US on August 18, 2012 with sales exceeding 3,000,000. In the United Kingdom, the track debuted at number 16, reaching a peak of number 2 on March 18, 2012, marking Minaj's highest charting single as a solo artist in the region. In Australia, the track debuted at number 14, so far reaching a peak of number 2 making it her highest charting single in the region, and second top 10 hit. It also received a 5× platinum certification by the Australian Recording Industry Association. The single reached number-one in Scotland, and also charted in the top ten for Belgium (Wallonia), Canada, Finland, France, Ireland, Japan, The Netherlands, New Zealand, Norway, Sweden and Switzerland. In the spring of 2012, "Starships" was the 21st most downloaded ringtone. Starships made Billboard Hot 100 history spending a total of 21 consecutive weeks in the US Top Ten surpassing the ‘Black Eyed Peas’ single ‘I Gotta Feeling‘ which spent 20 weeks in the top 10 in 2009. Minaj won a VMA with the song in the category Best Female Video in 2012.

Titanium" is a song recorded by French disc jockey (DJ)-music producer David Guetta, featuring vocals by Australian recording artist Sia. Taken from the former's fifth studio album, Nothing but the Beat, the song was written by Sia Furler, Guetta, Giorgio Tuinfort and Afrojack. Production was also handled by Guetta, Tuinfort and Afrojack. "Titanium" was initially released for digital download on August 8, 2011, as the first of four promotional singles from the album. It was later released as the album's fourth single in December 2011. The song originally featured the vocals of American recording artist Mary J. Blige, whose version of the song leaked online in July 2011. Originally, Katy Perry was offered to feature on the song but turned it down.

"Titanium" is a ballad which draws from the genres of pop, house and urban-dance. The song's lyrics are about inner strength. Sia's vocals on "Titanium" received comparisons to those by Fergie and the song was also musically compared to Coldplay's work. Critics were positive towards the song and noted it as one of the standout tracks from Nothing but the Beat. "Titanium" attained top 10 positions in several major music markets, including Australia, Austria, Denmark, Finland, France, Germany, Hungary, Ireland, Italy, The Netherlands, New Zealand, Norway, Spain, Sweden, Switzerland and the United States. In the United Kingdom, it peaked at number one, becoming Guetta's fifth number-one single on the chart and Sia's first. The song's accompanying music video premiered on December 21, 2011 but does not feature appearances by Guetta and Sia. Instead, the video focuses on a young boy, played by actor Ryan Lee, with supernatural powers.

What Makes You Beautiful" is the debut single by British-Irish boy band One Direction, from their debut studio album Up All Night (2011). It was released as the lead single by Syco Records on 11 September 2011. The song was written by Rami Yacoub, Carl Falk and Savan Kotecha and produced by Yacoub and Falk. After recording the song at Cosmos Studios and Kinglet Studios in Stockholm, Sweden, the band felt relieved to have a song that they were happy to release as their debut single."What Makes You Beautiful" is an uptempo song which combines pop genres teen pop, power pop and pop rock. The song contains a prominent guitar-based chorus and riff.

The song received positive reviews from music critics, highlighting its appeal to the teenage audience and pop sensibility. It made its debut at number one on the UK Singles Chart, after setting a Sony Music Entertainment pre-order record and selling 153,965 copies in its first week. The single also topped the Irish and Scottish Singles Charts, and reached the top ten on the Australian and New Zealand Singles Charts, Flemish Ultratop 50, Canadian Hot 100, Japan Hot 100 and the United States Billboard Hot 100. In the U.S., the single became the highest Billboard Hot 100 debut for a UK act since 1998, when it debuted at number twenty-eight in February 2012. It peaked at number four on the Billboard Hot 100. Selling over five million copies worldwide, it is among the best-selling singles of all time