Keanu Reeves performs with Dogstar at BottleRock Napa Valley at the Napa Valley Expo on May 27, 2023. Steve Carlson/STAFF. NAPA — Alt-rock trio Dogstar, best known as being the band in which Keanu Reeves plays bass, played its first show in more than two decades on Saturday at…

Dogstar (L-R: Robert Mailhouse, Bret Domrose and Keanu Reeves). Courtesy BottleRock Napa. The promoters of BottleRock Napa Valley this week announced a surprise appearance by rock trio Dogstar, the band founded by actors Keanu Reeves and Rob Mailhouse, as well as guitarist-vocalist Bret Domrose. The band, which includes Reeves…