Michael McKean , Christopher Guest and Christopher Guest performing as themselves . Spinal Tap has been Trio , the spandexed in different movies . But it was n't really a therapist -- it was a life coach . Shearer : ` ` We 're approaching [ songs ] as ourselves and not as these characters ''
Michael McKean , Christopher Guest and Christopher Guest performing as themselves . Spinal Tap has been Trio , the spandexed in different movies . Shearer : `` We 're approaching [ songs ] as ourselves and not as these characters ''