They’ve fought critics, bloggers, accusations of homophobia, to name a few woes, while rising in the hip-hop world. But on Sunday night, L.A. rap collective Odd Future Wolf Gang Kill Them All faced their toughest challenge yet.

“Damn, Slayer’s killing me!” leader and chief rapper Tyler, The Creator said onstage during their headlining Blue Stage set. A short distance away, the thrash metal masters were playing at the same time, and they were loud enough to be heard before and after every song Odd Future played.

True to their legend, the Wolf Gang did not back down, playing an awesome set with contributions from every member of the group, including Tyler’s hit “Yonkers,” Domo Genesis’s “Rolling Papers” and Mike G’s “Everything That’s