For better or worse, the Grammys bend less to the trends of the moment than other awards shows, so equal time generally is given to pop, hip-hop and rock regardless of where they reside in the zeitgeist. For every searing Kendrick Lamar on Monday, there was an Alabama Shakes or Lady Gaga. When it was announced that Motörhead's late frontman Lemmy Kilmister would be remembered with a Grammy performance by hard-rock supergroup the Hollywood Vampires, any prospective attendee should have known that it might get loud. Just how loud is understood only to those who felt the onslaught inside the arena: Alice Cooper, Joe Perry, Johnny Depp and two members of Guns N' Roses shook the stage like no other, as mushroom-shaped flames billowed behind them. Lemmy would have appreciated the gesture.