American Idol the first season where neither finalist achieved significant album sales. The tenth season of the series premiered on January 19, 2011. Many changes were introduced this season, from the format to the personnel of the show. Jennifer Lopez and Steven Tyler joined Randy Jackson as judges following the departures of Simon Cowell (who left to launch the U.S. version of "The X Factor"), Kara DioGuardi (whose contract was not renewed) and Ellen DeGeneres, while Nigel Lythgoe returned as executive producer. Jimmy Iovine, chairman of the Interscope Geffen A&M label group, the new partner of "American Idol", acted as the in-house
Who Killed Idol? providing music for songs. "STUPiG" is written and arranged by Takeshi Ueda of AA= and The Mad Capsule Markets; "Hi" is written by Akihiro Namba of Hi-Standard; "MURA-MURA" is written and arranged by Noriaki Tsuda of Kemuri, who also plays bass on the track as well; "BiSimulation" is written by Toru Hidaka of Beat Crusaders; The guitar solo of "primal.2" is performed by Hisashi of GLAY, who is also a fan of BiS. "GET YOU" is a collaboration track with fellow Avex idols Dorothy Little Happy and is taken from the collaboration single of the same name. Who Killed Idol?