While a freshman at Columbia University, Mercer began to produce and write songs in his dorm room, eventually sparking the attention of established songwriters and producers such as The Messengers and Kara DioGuardi.
The majority of the songs on the album were written by American songwriter Kara DioGuardi.
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Her English songs included "One Shot", "Accident", "Something To Remember Me By", "Idolize Me", "Intoxicated", "Choose", and her debut English single, "Planet Me", written by Kara DioGuardi
However, on the March 4 results show, Kara DioGuardi selected her as one of the 8 Wild Card contenders.
Simon said that she had done what she was told by being Country, while Kara and Randy disagreed, opining that she has more of an R&B sensibility.
She performed "Terrified" written by former American Idol judge, Kara DioGuardi and Jason Reeves.
"Not Me, Not I" is a pop song written by Gary Barlow, Delta Goodrem, Eliot Kennedy, Kara DioGuardi and Jarrad Rogers, produced by Barlow and Kenndy for Goodrem's first album Innocent Eyes (2003).
It features Kara DioGuardi (the song's co-writer/producer) as the love interest.
It was written by Aguilera, Derryck Thornton, Mark Rankin, Liz Thornton, Christophe Barratier, Bruno Coulais and Kara DioGuardi.
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"Oh Mother" was written by Aguilera, Derryck Thornton, Mark Rankin, Liz Thornton, Christophe Barratier, Bruno Coulais and Kara DioGuardi.
Clarkson originally wrote it for her second studio album, Breakaway (2004), with songwriters Kara DioGuardi, Chantal Kreviazuk and Raine Maida; however, it did not make the final track listing.
The song was written by group members Kimberly, Neil and Reid Perry with Jeff Cohen and Kara DioGuardi.
It was written by Aguilera, Mark Ronson, Kara DioGuardi and Raymond Angry, and produced by Ronson and co-produced by Aguilera.
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Aguilera and Ronson wrote "Slow Down Baby" alongside Kara DioGuardi and Raymond Angry, and Ronson completed the production with assistance from Aguilera.
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Songwriting – Christina Aguilera, Mark Ronson, Kara DioGuardi, Raymond Angry, William Guest, M. Knight, Edward Patton, Gladys Knight, Marvin Bernard, Michael Harper
Kara DioGuardi | Kara Sea | Kara | Kara Walker | Kara Koyunlu | Nader Kara | Kara Swisher | Kara Tointon | Kara (band) | Vladimir Vladimirovich Kara-Murza | Kara, Togo | Kara Musa Pasha | Kara David | Yuri Kara | Sergey Kara-Murza | Kara walker | Kara-Suu, Naryn | Kara-Suu | Kara Scott | Kara Goucher | Kara Film Festival | Kara Ben Nemsi | KARA | Electoral district of Kara Kara | B'kara | Pervoye Maya, Kara-Kulja | Patricia Kara | Pandora (Kara album) | Lala Kara Mustafa Pasha | Kara Wolters |
The song was written by Rich Harrison, Nicole Scherzinger, Kara DioGuardi and Vanessa Brown while it was produced by Harrison with additional production by Ron Fair.
Later on the song was completed during a three week "writing camp" in Hawaii that Caillat organized with fellow singer/songwriter Jason Reeves and American Idol judge Kara DioGuardi.
Samantha collaborated with well known industry songwriters such as Curt Frasca, Sabelle Breer, Kara DioGuardi, Robbie Nevil, Matthew Wilder and The Matrix team of Lauren Christy, Graham Edwards and Scott Spock.