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)
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)
