The show was going so well. An hour into the set from Kx5 — the electronic music supergroup of genre leaders Kaskade and deadmau5 — it was, as intended, a dazzling feat of light, sound, video and the emotional punch of those elements combined. Then the power went out, and Los Angeles Memorial Coliseum — and the 46,000 fans assembled there on that drizzly night in December — were thrust into silent darkness.
From the front of the house, deadmau5’s longtime manager, Dean Wilson, sprinted backstage — where, he says, he found “everybody running around like headless chickens, screaming, ‘Generator’s on…
