Forty-one years after the release of the groundbreaking mockumentary “This Is Spinal Tap,” the now estranged bandmates David St. Hubbins, Nigel Tufnel, and Derek Smalls (Michael McKean, Christopher Guest, and Harry Shearer) are forced to reunite for one final concert. “Spinal Tap II: The End Continues” also marks the resurrection of documentarian Marty Di Bergi …
