The film THIS IS SPINAL TAP is legendary, but did you know that they first appeared five years before the film came out? In 1979 Rob Reiner shot a pilot called The TV Show, and the cast included Christopher Guest, Michael McKean and Harry Shearer. One of the skits was a parody of Wolfman Jack, and it featured the first ever appearance of Spinal Tap doing a really bad song called Rock and Roll Nightmare. It's not a good song. It's just not. Here it is anyway.