Actor John Stamos has posted on social media a never-before seen clip of Bruce Springsteen and John Fogerty jamming together — with him on drums. The 15-minute clip from Fogerty’s surprise 50th birthday party, features snippets of such Creedence Clearwater Revival classics and covers as “Born On The Bayou,” “In The Midnight Hour,” “Proud Mary,” “Baby What You Want Me To Do,” “Cotton Fields,” “Green River,” and “Suzie Q”  — and what appears to be a previously unheard Springsteen original “I’m Your Detail Man.”