Check out video from Metal Masters 4, where people like Phil Anselmo, Kerry King, and Scott Ian played a set including classics from Pantera and Slayer.

Metal Masters 4 took place in New York City yesterday, and featured jam sessions involving a host of notable musicians including Phil Anselmo, Kerry King, Dave Lombardo, Scott Ian, and Gary Holt. Watch a revolving cast perform classics from Pantera, Slayer, Anthrax, and S.O.D.