The filmmaker says it took the right idea and a lot of money for the fake band to reunite for Spinal Tap II: The End Continues.

Spinal Tap is tapping back into the music scene, 40 years later. The highly-anticipated sequel “ Spinal Tap II: The End Continues ” reunites director Rob Reiner with stars Christopher Guest, Michael McKean, and Harry Shearer for a revival of the beloved mockumentary about a faux band.