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The JaM Cellars Ballroom located in the historic Napa Valley Opera House is a stunning 650 person bookable venue for music and performing arts. This historic landmark, originally constructed in 1879 can be both a seated theater-style or open-floor venue, featuring a fully licensed bar and VIP gallery for up to 75 guests. The impressive red and gold exterior has been restored, and the stage and sound desk upgraded to support world-class rock, pop, country and jazz artists. Performances here frequently include BottleRock Napa Valley AfterDark shows, world-class jazz artists booked by Blue Note Napa, as well as community arts events. Check listings for JaM Cellars Ballroom HERE and other JaM Cellars produced music events in downtown Napa HERE.