<P> Interscope Records, which is part of Universal Music Group, replaced Sony Music Entertainment as Idol's official partner record label . Interscope's Chairman Jimmy Iovine, a songwriter and producer, was named as the in - house mentor to work with the contestants on a weekly basis . He was supported by associated producers Rodney Jerkins, Alex da Kid, Tricky Stewart, Don Was, will.i.am, and Timbaland, who all helped the contestants tailor their song choices to their chosen genre of performance, while also producing arrangements for the contestants and offering original material to be performed . Ray Chew replaced Rickey Minor as the show's musical director and leader of Idol's live band . </P> <P> Programming changes affecting viewership included a revision in the days of broadcast from Tuesdays and Wednesdays to Wednesdays and Thursdays . The show also opened up an option for viewers to cast their votes online through Facebook, allowing 50 votes per account . Specific changes in the competition itself included extending extra rounds (such as the Las Vegas show) and a final solo round, while also returning the judges' wild card choice . The show additionally lowered the age of eligibility to 15 years . More contestants made it to Hollywood in season 10 than in previous seasons . </P> <P> On May 25, 2011, after 122.4 million votes were cast for the finale (and nearly 750 million votes for the seasonal total), Scotty McCreery was crowned the winner of the tenth season of American Idol, making him the youngest male winner at 17 years and seven months old, and the second youngest winner ever behind season 6 winner Jordin Sparks . Season 10 was the first season where 11 contestants went on tour instead of 10 . Eight contestants from this season were signed to record labels . The signed artists are Scotty McCreery, Lauren Alaina, Haley Reinhart, James Durbin, Casey Abrams, Stefano Langone, Pia Toscano and Naima Adedapo . </P> <P> Simon Cowell, who had been a judge since the first episode of the first season, announced on January 11, 2010 that he would not be returning as a judge for this season in order to focus on launching the American version of his hit British singing competition The X Factor . Ellen DeGeneres officially announced her departure on July 29, 2010, after judging for only one season, because she felt the show was not the "right fit" for her . Kara DioGuardi then announced on September 3, 2010, that she would also not return this season . On September 22, 2010, it was announced that Jennifer Lopez and Steven Tyler would join the judging panel . </P>

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