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
American Idol run, Idol's contestants have sold more than 60 million albums in the US, resulting in more than 80 Platinum records and 95 Gold records. Its participants have generated more than 450 Billboard No. 1 hits and sold more than 260 million digital downloads. The impact of "American Idol" was also strongly felt in musical theatre, where many of "Idol" alumni have forged successful careers. The striking effect of former "American Idol" contestants on Broadway has been noted and commented on. The casting of a popular "Idol" contestant can lead to significantly increased ticket sales. Other alumni have gone on to