Tens of thousands of alternative rock music fans are converging on Ventura for the holiday weekend, as the “Van Warped Tour” returns to the Ventura County Fairgrounds. The 17 year old music touring music festival features more than 75 bands. This is the eighth stop of the festival’s 44 city tour. The festival runs from 11 a.m. to 8:30 p.m. at the Fairgrounds. Last year, it attracted more than 11,000 music fans.