BottleRock Napa Valley music festival
Stevie Wonder performs at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
Fans dance along to a performance by The White Panda at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
The White Panda performs at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
Lenny Kravitz performs at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
Riggers adjust lights before Lenny Kravitz performs at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
A fan uses an umbrella for shade while waiting for Lenny Kravitz to perform at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
A fan waits for Lenny Kravitz to perform at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
Fans pass a large beach ball around while waiting for Lenny Kravitz to perform at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
Fans watch Grouplove perform at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
Buddy Guy performs at the BottleRock Napa Valley music festival, in Napa, Calif., on Friday, May 27, 2016. (Anda Chu/Bay Area News Group)
