American Idol (season 13) runner-up. There were a number of other major changes in the season, from the judges to the format of the show itself including the opening intro, which used the "Gyroscope 2.0". On May 9, 2013, Randy Jackson announced that he would no longer serve as a judge. On May 30, 2013, Mariah Carey and Nicki Minaj also announced they would not return to the judging panel. On August 1, 2013, it was confirmed that Keith Urban would return as a judge for another season. Executive producers Nigel Lythgoe and Ken Warwick were succeeded by Per Blankens, previously of "Idol", the
Randy Jackson was later decided that he would remain as a judge for season 12. On May 9, 2013, Jackson announced that he would be leaving "American Idol" after twelve seasons due to him wanting to focus on other business ventures. On September 3, 2013, it was announced that Jackson would replace Jimmy Iovine as the in-house mentor on "American Idol". He departed the series for good in November 2014. Jackson produces "America's Best Dance Crew", an American group dance competition and reality television show, which premiered on February 7, 2008 on MTV and was cancelled in 2010 due to declining ratings.