Online ticketing service Undertow is treating fans to a series of semi-secret living room shows, where hosts volunteer to put up a stellar act in a truly intimate space. Someone, somewhere in San Francisco is showcasing Clap Your Hands Say Yeah (you’ll get the full address when you purchase a ticket, but it’s in the 94110 zip code). The cozy vibe should perfectly complement indie rocker Alec Ounsworth’s eclectic sound.