Class of '99 was an American music group contracted in 1998. It consisted of members from several notable rock bands: Layne Staley of Alice in Chains as vocalist Tom Morello of Rage Against the Machine as lead guitarist Stephen Perkins of Jane's Addiction as drummer Martyn LeNoble of Porno for Pyros as bassist Matt Serletic of Collective Soul as keyboardist These five musicians collaborated to cover Pink Floyd's "Another Brick in the Wall (Part 2)" (and later, "Another Brick in... [more on Wikipedia]