Watch This Is Spinal Tap (1984) HD Full Movie Free on SolarMovie. Watch This Is Spinal Tap (1984) online free. Spinal Tap, one of England's loudest bands, is chronicled by film director Marty DiBergi on what pro...Spinal Tap, one of England's loudest bands, is chronicled by film director Marty DiBergi on what proves to be a fateful tour.