“Undo It” is the title of the song written by Kara DioGuardi, Martin Frederiksen, Luke Laird and co-written and recorded by American country artist Carrie Underwood. It was made available to digital retailers on October 27, 2009, and was released as an official single on May 24, 2010. The song is the third single from Underwood’s third studio album, Play On. The music video for the song was directed by Chris Hicky. CMT premiered the video for “Undo It” on May 7, 2010. The video features shots of Underwood performing the song in concert along with shots of the background video played during the performance of the song in the Play On Tour.

The song “If I Were a Boy” is pop and R&B song recorded by Beyonce Knowles, an American R&B recording artist, actress and fashion designer. “If I Were a Boy” was written by BC Jean as well as Toby Gad and produced by Gad and Knowles. Jean wrote most of the song’s lyrics by taking inspiration from a bad break-up.Jean initially recorded her version of the song which was rejected by Jean’s record company. Knowles then recorded a new version for her third studio album, I Am… Sasha Fierce (2008). The song was released as the album’s lead single to U.S. radio on October 12, 2008 alongside “Single Ladies (Put a Ring on It)”. “If I Were a Boy” is different from Knowles previous songs as the song is not a traditional R&B one. The lyrics of the song are a reference to an expression of sadness about misunderstanding between the genders and an indictment of the male side of relationships. The song stands as the only song on either disc of I Am… Sasha Fierce that Knowles did not co-write. Upon its release, “If I Were a Boy” was generally well-received by music critics who praised Knowles’ tormented performance, emotional and passionate vocals and called the song her best work to date.

Taio Cruz (born Jacob Taio Cruz on April 23, 1983) is a British singer-songwriter, record producer, occasional rapper, and entrepreneur who recorded an electropop, R&B and dance-pop song in titled “Break Your Heart”. The song serves as the lead single from his second studio album Rokstarr. It was written by Cruz and Fraser T. Smith and produced by Smith. It was first released in the UK on 20 September 2009, followed by a release in the United States and other markets on 2 February 2010. The official remix version features American rapper Ludacris; that version was the single released in North American countries. The song received mixed to positive reviews, critics commending its infectious sound, but noting that it was generic. The song peaked at number one in Canada, Switzerland, the UK and the United States, and also within the top ten of many other countries. The accompanying music video features several scenes of Cruz on escapades with different women, including a speedboat compared to classic Diddy and a club scene with Ludacris in the American version.

The song “Waiting for the End” is an alternative rock performed by the band Linkin Park. Linkin Park is an American rock band from Agoura Hills, California. Formed in 1996, the band rose to international fame with their debut album, Hybrid Theory, which was certified Diamond by the RIAA in 2005 and multi-platinum in several other countries. “Waiting for the End” is the second single from their fourth studio album, A Thousand Suns, which was released on September 14, 2010. The official music video for the song was directed by Joe Hahn. The video was filmed in September 2010, before the release of A Thousand Suns and was released to MTV on Friday October 8, 2010. The video features the entire band performing the song in darkness along with heavily experimental digital effects and distortion applied to them. The video also carries the themes of the artwork for their album, A Thousand Suns, with many shots of abstract artworks featuring animals and digital-themed media. In celebration of the band’s North American tour, an alternate live video of the song premiered in the band’s official site and YouTube channel. It was filmed by numerous fans in Jan. 26, 2011 at the United Center in Chicago, and Jan. 28 at the Xcel Energy Center in St. Paul. The version played in the video is the actual live performance of the song.

The song “Felt Good on My Lips” is a country music recorded by Tim McGraw, is an American country music singer. “Felt Good on My Lips” is the title of a song written by Brett Beavers, Jim Beavers, Brett Warren and Brad Warren. Felt Good on My Lips” was released to radio in September 2010. It is included on a compilation album titled Number One Hits, which comprises all of McGraw’s number-one singles as well as “Felt Good on My Lips” and a remix of “Indian Outlaw”. The song has since become McGraw’s 23rd #1 hit on Billboard’s Hot Country Songs chart. It also debuted at number 26 on the U.S. Billboard Hot 100 chart for the week of December 15, 2010. It also debuted at number 36 on Canadian Hot 100 chart for the week of November 12, 2010. It also debuted at number 30 on the U.S. Billboard Adult Contemporary chart for the week of February 16, 2011.