Spinal Tap is back. Director Rob Reiner says they're still dialed up to 11

In 1984, the groundbreaking mockumentary This Is Spinal Tap lampooned heavy metal bands and rock documentaries — and introduced audiences to a new film genre.

"What we were doing was not only satirizing heavy metal, we were satirizing the documentary form and the way in which documentaries were presented," director Rob Reiner says.

Spinal Tap , the fictional band at the center of the film, was known for its excesses both on- and off-screen. The bass player stuffed his pants with a foil-wrapped zucchini, while the lead guitarists boasted of amps that "go to 11." Reiner both directed the film and played a documentary director in the movie.

Now, in the sequel Spinal Tap II: The End Continues , the band returns for a reunion concert. As in the original film, the band is portrayed by M