LL Cool J & DMC perform Run-DMC's "Peter Piper" (+ "Going Back To Cali") at The Greek Theatre

Darryl McDaniels (D.M.C.) joins LL Cool J on stage for a surprise performance of Run-D.M.C.'s "Peter Piper"... LL Cool J then performs "Going Back To Cali" for the last date of the "Kings of the Mic" tour at The Greek Theatre in Los Angeles on July 7, 2013.