Born This Way" is a song by American recording artist Lady Gaga, from her second studio album of the same name. Written and produced by Gaga, Fernando Garibay, Jeppe Laursen and DJ White Shadow, it was developed while Gaga was on the road with The Monster Ball Tour. Inspired by the 1990s empowering music for women and the gay community, Gaga explained that "Born This Way" was her freedom song. She had sung part of the chorus at the 2010 MTV Video Music Awards in 2010 and announced the song as the lead single from the album. The single was released on February 11, 2011.

The electropop song is backed by rumbling synth sounds, a humming bass and additional chorus percussion, with sole organ toward the end. The lyrics discuss self-empowerment and feature the names of LGBT communities, including "chola" and "orient", which drew criticism from Asian and Hispanic communities. Critics who favored the song called it a "club-ready anthem", while it faced criticism for having similarities with Madonna's 1989 single "Express Yourself". The song reached number one in 19 countries. It became her third single to top the US Billboard Hot 100 chart and the 1000th song by any artist. It became the fastest-selling song in iTunes history, selling one million copies in five days. "Born This Way" has sold 8.2 million copies worldwide, becoming one of the best-selling singles of all time.

Yeah 3x" is a song by American recording artist Chris Brown. It was written by Brown, Justin Franks, Kevin McCall, Amber Streeter, and Adam Richard Wiles, and produced by DJ Frank E. The song was released as the lead single from Brown's fourth studio album F.A.M.E. on October 25, 2010. Brown recorded the song for his pop audience as he had been doing a lot of mixtapes and urban records.

Musically, "Yeah 3x" is an uptempo dance-pop, Europop, and electro-house song; it uses a video game-type beat and features a thick bassline and big synth chords. Critical reception towards the song was positive, with critics praising its production and lyrics. Other critics noted its similarities to Brown's 2008 single "Forever". However, its comparisons to Calvin Harris' 2009 single "I'm Not Alone" led to controversy. The song charted in several countries, including Australia, Austria, Belgium (Flanders region), Denmark, Germany, Hungary, Ireland, Netherlands, New Zealand, Switzerland and the United Kingdom, where it all attained top 10 positions. "Yeah 3x" also reached the top 20 in Canada, Norway, Slovakia and Sweden. In the United States, it peaked at number 15 on the Billboard Hot 100, and number seven on the Pop Songs chart. As of February 2011, "Yeah 3x" has sold 1,000,000 digital copies in the US.

Super Bass" is a song by Trinidadian recording artist Nicki Minaj from the deluxe edition of her debut studio album, Pink Friday (2010). It officially impacted rhythmic radio in the United States on April 5, 2011 as the album's fifth single. The song was co-written by Minaj, along with Ester Dean and Kane Beatz, who also produced the song along with JMIKE. According to Minaj, the song's lyrics detail the story of a playful romance between a male and a female. The song draws from the electronic and pop genres while Minaj raps over a hip hop beat.

"Super Bass" received generally positive reviews from music critics, who was complimented its memorable hook, lyrical context and for its chorus. The song peaked at number three on the US Billboard Hot 100, and reached number three in New Zealand, as well as number six in Australia and Canada. It also reached number two on the UK Singles Chart.

A music video for the single was shot in March 2011 by director Sanaa Hamri. The video shows Minaj playfully taunting a group of men, and makes use of multiple props, all of which are coloured bubblegum pink. The music video received generally positive reviews from critics, most of whom complimented the "eye candy" and colorful visuals seen throughout the video. The song has been classified as Minaj's signature song. "Super Bass" has been certified quadruple-platinum by the Recording Industry Association of America (RIAA), and has sold more than four million digital copies as of May 2012, becoming one of the best-selling singles in the United States

On the week ending April 13, 2010 "More" debuted at number seventy-six on the Billboard Hot 100; it stayed on the chart for one week. It re-entered the Hot 100 at number eighty-eight, and has since peaked at number fifteen. It has now sold over 1,000,000 digital copies in the US. The song debuted on the UK Singles Chart at number eighty-nine, on the week ending May 8, 2010, and got knocked of the following week. Six months after its initial release it re-entered the chart at number ninety-five. It rose to number fifty-two the next week, and in its third week entered the Top 40 at number thirty-three. "More" topped the Canadian Hot 100 on the week ending January 27, 2011 selling 24,000 units. In Australia, "More" debuted at number twenty-three on the ARIA Singles Chart on the week dated January 24, 2011 It has since peaked at number seven.   Reaching Gold status for 150.000 copies sold

Pumped Up Kicks" is a song by American indie pop band Foster the People. It was released as the group's debut single in September 2010, and the following year was included on their EP Foster the People and their debut album Torches. "Pumped Up Kicks" became the group's breakthrough hit and was one of the most popular songs of 2011. The song was written and recorded by frontman Mark Foster while he was working as a commercial jingle writer. Contrasting with the upbeat musical composition, the lyrics describe the homicidal thoughts of a troubled youth.

The track received considerable attention after it was posted online in 2010 as a free download, and it helped the group garner a multi-album record deal with Columbia Records imprint Startime International. "Pumped Up Kicks" proved to be a sleeper hit; in 2011, after receiving significant airplay on modern rock stations, the song crossed-over onto contemporary hit radio stations. The song spent eight consecutive weeks at number three on the Billboard Hot 100 chart in the United States, making it the first Billboard Alternative Songs number-one single to crack the U.S. top 5 since Kings of Leon's "Use Somebody" in 2009. The song was widely praised by critics, and it has been licensed for use in a wide range of popular media since its release. "Pumped Up Kicks" received a Grammy Award nomination for Best Pop Duo/Group Performance

S&M" is a song by Barbadian recording artist Rihanna from her fifth studio album, Loud (2010). It was released in the United States on January 21, 2011, as the album's fourth single and elsewhere on February 11, 2011, as the third single. Stargate, Sandy Vee and Ester Dean wrote the song; Stargate and Vee produced it. "S&M" is an uptempo dance-pop and Eurodance song that samples the synthesizer line from Depeche Mode's 1984 song "Master and Servant"; instrumentation consists of synthesizers, bass beats, a keyboard and guitars. The song's lyrics revolve around sex, sadomasochism, bondage and fetishes.

Response to "S&M" was mixed. Some critics called it one of the best tracks from Loud; others criticized the song's overtly sexual lyrics. The single peaked at number two on the US Billboard Hot 100. However, with combined sales from a remixed version featuring guest vocals by Britney Spears, it became Rihanna's tenth US number-one single on the Hot 100, and Spears' fifth. The song reached number one in Australia, Canada and Poland, and attained top-five positions in Germany, France, Ireland and Spain.

Robyn Rihanna Fenty (born February 20, 1988), known mononymously as Rihanna, is a Barbadian recording artist and actress. Born in Saint Michael, Barbados, Rihanna moved to the United States at age 16 to pursue a recording career under the guidance of record producer Evan Rogers. She subsequently signed a contract with Def Jam Recordings

Just a Kiss" is a song by American country music group Lady Antebellum. It was released on May 2, 2011 by Capitol Records as the lead single from the band's third studio album, Own the Night (2011). Dallas Davidson collaborated with band members Hillary Scott, Charles Kelley and Dave Haywood to write the song, taking inspiration from the members' personal experiences. Produced by Paul Worley, "Just a Kiss" was among the last songs recorded for the album, and is a mid-tempo country ballad with lyrics that speak of a romantic relationship between two new couples. Professional reviews for "Just a Kiss" have been mostly positive, commending on the song's theme and musical arrangement and also praising Lady Antebellum's performance.

In the United States, the song debuted at number 28 on the Billboard Hot Country Songs chart and appeared at number seven on the Billboard Hot 100. It later topped the Country chart and was certified 2× Platinum by the Recording Industry Association of America (RIAA). The song peaked at number 13 in Canada, 22 in Japan and reached the top 80 in Australia and Slovakia. Shaun Silva directed a well-received music video for the song. It portrays the story of two young lovers against a backdrop of scenery of Europe. The band first performed the song on their Houston Rodeo show on March 11, 2011, and later at the Divas Nashvegas benefit show. Following the single's release, they performed it on US reality television show American Idol and at the Billboard Music Awards. The group's live performances have been praised by critics. The song was featured in the season 2 finale of Pretty Little Liars and in the season 1, episode 17 of Hart of Dixie

On the Floor" is a song recorded by American recording artist and actress Jennifer Lopez featuring American rapper Pitbull. It was released by Island Records on February 8, 2011 as the lead single from her seventh studio album Love? (2011). "On the Floor" was written by Bilal Hajji, Kinda Hamid, Gonzalo Hermosa, Ulises Hermosa, Achraf Janussi and Pitbull, along with the song's producer RedOne. Its release coincided with Lopez's appointment as a judge on the tenth season of US reality TV show American Idol, as well as several other product endorsement deals. American Idol also provided a platform to debut the single's music video, as well as the stage for Lopez's first live performance of the song.

"On the Floor" is an up-tempo dance, electropop and electro house song, set in common time with a tempo of 130 beats per minute. Other elements of the song are borrowed from Eurodance, Latin American and techno music, including heavy synths and club beats. Its development was motivated by Lopez's Latin heritage and pays homage to her career-beginnings as a dancer. It interpolates recurrent elements of the 1982 composition "Llorando se fue" written by Gonzalo and Ulises Hermosa, a composition previously plagiarized by Kaoma in their 1989 single "Lambada". Taking account of the sample, and RedOne's production, Lopez described "On the Floor" as an evolution of her classic sound and as something which sounded very current

Ours" is a song by American singer-songwriter Taylor Swift from the deluxe edition of her third studio album Speak Now (2010). The song was written by Swift, who also was aided by Nathan Chapman in producing the song. It was first released as a promotional single by iTunes and Amazon.com on November 8, 2011. It was released as the sixth and final single of the album and is the fifth single from Speak Now to be sent to country radio on December 5, 2011.

The song peaked at number one on the Billboard Country Songs Chart and number thirteen on the Hot 100 and was certified Platinum by the Recording Industry Association of America. Internationally, the song did not garner well peaking at ninety-one in Australia and sixty-eight on the Canadian Hot 100. In the UK, it peaked at number one hundred and eighty-one on the UK Singles Chart.

In the Dark" is a song performed by American recording artist Dev. It was written by Dev alongside The Cataracs, who produced it for Dev's debut studio album, The Night the Sun Came Up (2011). The song was released as the album's second single on April 25, 2011, through Universal Republic. "In the Dark" came about when Dev wanted to make a sexy song to show that she is a grown woman. She collaborated with American rapper Flo Rida on an official remix as she believed she would enjoy the remix when hearing it on the radio. "In the Dark" is a dance-pop song with a saxophone hook and influences of Eurodance and Latin music. The lyrics emphasize sex drives and letting sensation of touch fully taking over from sight.

The song received generally positive reviews from music critics, who highlighted its production and the saxophone line. However, critics were divided regarding the song's lyrical content; some referred it to as sexy, while others dismissed its metaphors. "In the Dark" enjoyed commercial success in the United States, peaking at number 11 on the Billboard Hot 100 chart and the summit of Hot Dance Club Songs. The song achieved its highest national peak in Slovakia, where it reached number one. Elsewhere, the song peaked in the top forty in Canada, Denmark, Ireland, Scotland and the United Kingdom. The song's music video features shots of black-painted hands that touch Dev while she is standing naked. According to Dev, the inspiration behind the video was to reflect the sexy and dark aspects of the song, and the initial idea was to create a Tim Burton-inspired feel.

I Need a Doctor" is a single by American hip-hop artists Dr. Dre and Eminem featuring singer Skylar Grey. The song is produced by British record producer Alex da Kid, mixed by Dr. Dre, and was released for digital download through the American iTunes Store on February 1, 2011.

Musically, "I Need a Doctor" is predominantly a rap song, backed by a "spacey," drum-heavy production, with extra piano keys featured in the introduction and the chorus. Lyrically, the song is largely about Dr. Dre and Eminem's close friendship, and how they have often needed and inspired each other in the past.

Due to the song being leaked onto the Internet several months in advance to its release, it was a significant commercial success on its official release, particularly in the United States, where it peaked at number 4 on the Billboard Hot 100, becoming Dr. Dre's second highest peaking song on the chart ever, and also peaking in the upper regions of many national charts. As of October 2011, it has sold over 2,206,000 digital copies in the United States alone, making it Dr. Dre's first song to reach the landmark

Last Friday Night (T.G.I.F.)" is a song by American recording artist Katy Perry. The song was produced by Lukasz Gottwald and Max Martin, who also co-wrote the song with Perry and Bonnie McKee at Playback Recording Studio for Perry's third studio album, Teenage Dream. Perry stated that she was inspired to write the track after a night of wild partying and streaking. It was released as the album's fifth single on June 6, 2011 through Capitol Records with a remix featuring American hip-hop recording artist Missy Elliott released to U.S. radio stations and digital retailers on August 8, 2011, this version was included in Teenage Dream: The Complete Confection edition. Musically, the song is prominent dance-pop with influences of pop-rock, and the lyrics are about drunken fun and debauchery. Some of the risque lyrics in the song are often censored in radio versions of the song.

The song received mixed to positive reviews from music critics, with some of them highlighting its playful and catchy nature. However, critics were divided regarding the song's lyrical content; some referred it to as funny and sexy, while others dismissed it as lifeless. The song had chart success in North America, reaching number one on the U.S. Billboard Hot 100 and Canadian Hot 100. It also topped U.S. charts like Hot Digital Songs, Pop Songs, Radio Songs, and Hot Dance Club charts, like all of her previous singles. It also reached number one in Slovakia and the Czech Republic and has attained top-ten positions in Austria, Ireland, Italy and Poland.

Jar of Hearts" is the debut single by American singer-songwriter Christina Perri. The song was released onto iTunes July 27, 2010, a week after its debut on So You Think You Can Dance. The song was included on Perri's debut EP The Ocean Way Sessions and appeared on Perri's debut album, Lovestrong.

The song was co-written by Christina Perri, Drew Lawrence, and Barrett Yeretsian. Perri drew inspiration for the song from a real-life experience with a love interest who wanted to rekindle a broken relationship. After its debut, the song was released onto iTunes where it later rose to the Top 20 spot in one week.

Perri was unsigned at the time of the song release, which created a lot of discussion between critics who favored the song. The song charted on multiple charts in both the United States and Canada at numbers 17 and 21 respectively. The song sold a total of 47,500 downloads in its opening week. The song has sold over 3 million digital copies in the US

Rolling in the Deep" is a song recorded by British singer-songwriter Adele for her second studio album, 21. The song was written by Adele and Paul Epworth, who described it as a "dark blues-y gospel disco tune". The largest crossover hit in the United States from the past 25 years, "Rolling in the Deep" gained radio airplay from many different radio formats. It was first released on 29 November 2010 as the lead single from 21 in digital download format. The lyrics describe the emotions of a scorned lover.

"Rolling in the Deep" was acclaimed by music critics and represented a commercial breakthrough for Adele, propelling her to international success. The song reached number one in 11 countries and the top five in many more regions. It was Adele's first number-one song in the United States, reaching the top spot on many Billboard charts, including the Billboard Hot 100 where it was number one for seven weeks. By February 2012, "Rolling in the Deep" had sold over 7,000,000 copies in the United States, making it the highest selling digital song by a female artist in the US,  the second best-selling digital song in the US and Adele's best-selling single outside her native country, topping her previous best-selling "Chasing Pavements". Worldwide, it was the fifth best selling digital single of 2011 with sales of 8.2 million copies, later going on to sell over 9.3 million copies. The song spent 65 weeks on the chart, making the song the third most weeks spent on the chart, tying the place with Jewel with her double single "Foolish Games"/"You Were Meant for Me".

The Edge of Glory" is a song by American recording artist and songwriter Lady Gaga, from her second studio album Born This Way (2011). The song was released digitally on May 9, 2011, and was added to the United States mainstream radio playlists on May 17, 2011. Initially released as one of two promotional singles for Born This Way, it shortly became the third single for the album following its success in digital outlets worldwide. The song was produced by Lady Gaga and Fernando Garibay. "The Edge of Glory" is a dance song that speaks of the very last moments of life. According to Gaga, lyrical inspiration came from the death of her grandfather, who died in September 2010. Alongside a saxophone solo played by Clarence Clemons, the melody of the song resembles much of the musical works of Bruce Springsteen, and contains several qualities similar to that of 1980s adult contemporary musical works.

The song received critical acclaim, with many critics deeming the song as an album highlight. Much of the praise went to the song's chorus and the musical production. Reviewers also complimented Gaga's vocals, describing it as "soulful". The song was an international hit, charting in the top ten in several major music markets, including Australia, Belgium, Canada, New Zealand, Norway, Spain and the United Kingdom. In the United States, it peaked at number three on the Billboard Hot 100, becoming Gaga's tenth consecutive top-ten single in the United States.

Don't You Wanna Stay" is a song performed by American country singer Jason Aldean featuring Kelly Clarkson from Aldean's 2010 album, My Kinda Party. It was written by Andy Gibson, Paul Jenkins and Jason Sellers. After both Aldean and Clarkson performed the song on the 44th annual Country Music Association Awards on November 10, 2010, it was released as the second single due to strong demands of radio stations on the following day. The song contains element of country pop and its lyrics speak of the difficulties of finding and maintaining love.

"Don't You Wanna Stay" was met with generally favorable reviews by critics who considered the song as "a classic power ballad". Critics also lauded the interesting combination between Aldean's and Clarkson's voice. The song enjoyed commercial success in United States, peaking at number one on the Billboard Hot Country Songs and at number 31 on the Billboard Hot 100. It became Aldean's fifth number one single and Clarkson's first number one single on the Billboard Hot Country Songs and was certified double platinum by the Recording Industry Association of America (RIAA). Both Aldean and Clarkson performed the song in several occasions. Footage from the Country Music Association award performance were used to comprise a music video for "Don't You Wanna Stay", directed by Paul Miller. The song was nominated for "Best Country Duo/Group Performance" at the 54th Grammy Awards.