Spinal Tap "Rock & Roll Nightmare" (1979) FIRST TV APPEARANCE!

From ABC's comedy pilot "The T.V. Show" (1979) - a mock-up of NBC's "The Midnight Special" with Rob Reiner as Wolfman Jack, introducing the band: David St. Hubbins (Michael McKean), Nigel Tufnel (Christopher Guest) and Derek Smalls (Harry Shearer), plus Loudon Wainwright III on keyboards.