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
Who Is It (Michael Jackson song) Who Is It (Michael Jackson song) "Who Is It" is a song by American recording artist Michael Jackson. It was released by Epic Records on August 31, 1992, as the fifth single from Jackson's eighth studio album, "Dangerous" (1991). The song was written and composed by Jackson, and produced by Jackson and Bill Bottrell. The song's lyrics pertain to despair over being left by someone you love; some critics noted a comparison to the lyrics of the song to Jackson's single, "Billie Jean", from the album "Thriller". As part of the promotion for the song, two music videos were released