Musicians with several groups that became identified with psychedelic rock began as folk musicians, such as those with the Grateful Dead, Jefferson Airplane, Country Joe and the Fish, and Quicksilver Messenger Service from San Francisco; the Byrds, Love, Kaleidoscope, and Peanut Butter Conspiracy from Los Angeles; Pearls Before Swine from Florida; and Jake and the Family Jewels, and Cat Mother & the All Night Newsboys from New York. The Serpent Power was a psychedelic rock group with a strong folk influence. The Byrds was the most important american folk rock band to incorporate psychedelia in their sound and themes.