Slipknot Honor Paul Gray at Comeback Gig

He died of an accidental overdose in May last year, plunging the metal outfit into a temporary hiatus and long-term personal anguish, which several of the eight surviving members have said is still difficult to deal with. But the band took another step in their own recovery at the Greece edition of the travelling Sonisphere festival, when they hit the stage sporting red jumpsuits and their older-era masks.