When Buttercup has a show anywhere, let alone at the impeccable Carlos Alvarez Studio Theater, you’re on permanent notice to get your ass there. The veteran SA art-rock crew, a terrific trio comprised of Erik Sanden, Joe Reyes, and Odie, has crafted its very identity over the last 15 years though its irreverent, theatrical, warm, and deeply engaging live shows. In fact, at this special show, Buttercup will debut a music video for “Acting Through Music,” a song of the group’s most recent album that addresses the band’s use of music and stagecraft as therapy, as art, and as communication. Like all Buttercup shows, loose and casual in the most disarming and inviting ways, attendees are in for something unique and inspiring – and probably a wacky surprise or two. The uninitiated can dig Buttercup’s catalog over at buttercult.bandcamp.com, but you’ve got to get the live experience to truly appreciate the warm humor and unadulterated joy of this local treasure.