Sublime is an American ska punk band from Long Beach, California, that plays a mix of ska, punk, and reggae. Formed in 1988, the band's original lineup consisted of Bradley Nowell, Eric Wilson, and Bud Gaugh. From Wikipedia
The three-day festival at Napa Valley Expo features 74 bands, celebrity chef demos, and fresh experiences like an outdoor roller rink, drawing 120,000 attendees.