Fresh off a raucous (and hilarious!) appearance on Saturday Night Live , Jack White hit the desert for a typically action-packed set at Coachella today, in a last-minute addition that follows the fest’s recent tradition of dropping superstar veteran acts in unexpected early-day slots. White — who’s performed Coachella multiple times as a headliner on his own and with various other projects including the Raconteurs, the Dead Weather, and an early-career buzz-making set with the White Stripes —