Beyond Wonderland Bay Area, an event on the Oakland Coliseum grounds that featured three outdoor music areas, drew multiple noise complaints from Alameda residents Saturday night and showed no signs of abating until the event ended at 2 a.m.
Oakland police said they had received many complaints from Alameda and San Leandro residents. Callers described the the noise as "the loudest it's ever been" for a Coliseum event, an Oakland Police Department spokesman said.
The event was produced by Insomniac Inc., which had a permit for the event, police said.
A Beyond Wonderland after-party was scheduled to begain at 9 p.m. at Ruby Skye, a club in San Francisco.