Harry Shearer , Christopher Guest and Michael McKean performing as themselves . Trio has been Spinal Tap , the Folksmen in different movies . Shearer : ` I was a member of The Folk Singers for about two years before they broke up.
Harry Shearer , Christopher Guest and Michael McKean performing as themselves . Trio has been Spinal Tap , the Folksmen in different movies . Shearer : `` We 're approaching [ songs ] as ourselves and not as these characters ''