LA Times reports that some big names were rounded up and rehearsing last night on the Led Zeppelin classic, "Stairway to Heaven." Who's involved?

Soul queen Mary J. Blige on vocals, guitar god Steve Vai and his pop protégé Orianthi on rhythm and lead guitars, respectively, Travis Barker on drums and "American Idol" judge Randy Jackson on bass, with producer Ron Fair (Christina Aguilera, Pussycat Dolls) handling piano, the arrangement and all-star recruitment. The track's destination: Blige's 10th studio album, due out later this year.

Get all the details on how well they pulled it off.

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