We'll see more guitars and rocks stars this week on American Idol.

Jeff Beck will appear on American Idol Wednesday, accompanying the nine remaining contestants. 

They'll sing songs from the Rock and Roll Hall of Fame.   Beck performed on both the 2007 and 2010 editions of Idol Gives Back, the AI chairty special.  The first time, he backed up Kelly Clarkson, and the second time, he backed up Joss Stone, who appears on Beck's most recent album, Emotion and Commotion. 

 
Idol airs on Fox Wednesday and Thursday.

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