Spinal Tap

Spinal Tap is a fictional English heavy metal band created by American comedians and musicians Michael McKean, Christopher Guest and Harry Shearer. They are characterized as "one of England's loudest bands". McKean, Guest and Shearer wrote and performed original songs for the band.
The band first appeared on a 1979 ABC television sketch comedy pilot called "The T.V. Show". Later the band became the fictional subject of the 1984 rockumentary / mockumentary movie "This Is Spinal Tap".