One of the oddest San Francisco Bay Area bands of the late '60s, Berkeley-based Mad River cut two albums that are highly regarded by psychedelic collectors. After releasing a rare EP on a tiny local label in 1967, the band signed with Capitol and released their self-titled debut the following year. Perhaps the most ominous San Francisco band of the time, the group often sounded like an extremely dark version of Quicksilver Messenger Service with a bit of Country Joe & the Fish's minor-key melodies thrown in.

Read more about Mad River on Last.fm.