Participants in the massive Silent Disco at BottleRock in Napa, May 27, 2017.

Participants in the massive Silent Disco at BottleRock in Napa, May 27, 2017. (Estefany Gonzalez)

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Tom Petty, Michael Franti, AlunaGeorge, Ben Harper, Dreamers, Judah & the Lion and a record-setting Silent Disco were among the highlights Saturday at BottleRock in Napa.

Our photographer Estefany Gonzalez was on the scene; click on a photo below to activate a slideshow from the day.

Photos: BottleRock 2017, Day Two 28 May,2017KQED Arts