Perry was on hand to support friend, drummer Steve Ferrone, who was being inducted into the Guitar Center Hollywood Rock Walk. The reclusive singer performed back-up vocals at the event, joining Ferrone and a host of musicians for an all-star jam on "Pick Up The Pieces" by the Average White Band � the drummer was a member of the group from 1974 to 1983.

The jam included Questlove from The Roots, bassist Will Lee from Paul Shaffer's band on The Late Show with Dave Letterman, Hamish Stuart, Molly Duncan, Oz Noy, Larry Williams and Dave Green.