Cosa Brava is an experimental rock and improvisation quintet formed in March 2008 in Oakland, California by multi-instrumentalist and composer Fred Frith (Henry Cow, Skeleton Crew, Keep the Dog). The band comprises Frith on guitar, Zeena Parkins (Skeleton Crew, Keep the Dog) on keyboards and accordion, Carla Kihlstedt (Sleepytime Gorilla Museum, Tin Hat) on violin, Matthias Bossi (Sleepytime Gorilla Museum) on drums, and The Norman Conquest on sound manipulation.