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Aerosmith performs new song on “American Idol” finale

Steven Tyler, Joey Kramer, and Joe Perry of Aerosmith perform during Fox's "American Idol 2012" results show at Nokia Theatre L.A. on May 23 in Los Angeles. (Photo by Mark Davis/Getty Images)

Steven Tyler’s bandmates in Aerosmith may have been critical when their frontman joined “American Idol” as a judge in 2010 (remember when Joe Perry said that he didn’t want Aerosmith’s name involved with the show?), but they’ve obviously changed their tune. The whole band was in Los Angeles on Wednesday night to perform during the big “Idol” finale, during which contestant Phillip Phillips was named the night’s big winner. Aerosmith played “Walk This Way” during the big show, as well as their new single, “Legendary Child.” The “Idol” finale had another Boston moment when Neil Diamond showed up to sing “Sweet Caroline.” The contestants from this year’s season chimed in with the Fenway Park “so good!” chorus.

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