American Idol that season, but left after just one season. On January 11, 2010, Simon Cowell left the show to pursue introducing the American version of his show "The X Factor" for 2011. Jennifer Lopez and Steven Tyler joined the judging panel in the tenth season, but both left after two seasons. They were replaced by three new judges, Mariah Carey, Nicki Minaj and Keith Urban, who joined Randy Jackson in the twelfth season. However both Carey and Minaj left after one season, and Randy Jackson departed the show after twelve seasons as a judge but would return as a mentor. Urban
American Idol: Greatest Moments American Idol: Greatest Moments American Idol: Greatest Moments is the first "American Idol" soundtrack, with music from the first season of "American Idol". It contains two cover songs from both Kelly Clarkson and Justin Guarini, the winner and runner-up of the original season, one song from the remaining eight finalists, one song by all the finalists, and Clarkson's two songs from her debut single as bonus tracks. It is the only "American Idol" album that endorses the winner's single. The album was released on October 1, 2002. The album debuted at number four on the US "Billboard" 200 album chart