Last night in California, the biggest names in Metal gathered to celebrate the heaviest music in the world. As in years past, the festivities got kicked off with a workshop from the masters giving out some tips and tricks and ended with a full blow, star-studded jam session of epic proportions!

This year's line up included:

* Kerry King (SLAYER)

* Charlie Benante (ANTHRAX)

* Frank Bello (ANTHRAX)

* Scott Ian (ANTHRAX)

* David Ellefson (MEGADETH)

* Billy Sheehan (MR. BIG)

* Mike Portnoy (DREAM THEATER, THE WINERY DOGS)

* Gary Holt (EXODUS, SLAYER)

* Chris Broderick (MEGADETH)

* Philip Anselmo (PANTERA, DOWN)

* Rex Brown (KILL DEVIL HILL, PANTERA, DOWN)

* Chuck Billy (TESTAMENT)

* Steve Vai

The set list included everything from Kiss' 'God of Thunder' to Pantera's 'F**king Hostile'! You can check out some of the footage below. For more info on Metal Masters 5, hit up Gear Gods!