Secret Chiefs 3 is an American avant-garde group led by guitarist/composer Trey Spruance. Their studio recordings and tours have featured different lineups, as the group performs a wide range of musical styles, mostly instrumental, including surf rock, Persian, neo-Pythagorean, Indian, death metal, film music, and electronic music.
The band's name is derived from the "Secret Chiefs" said to inspire and guide various esoteric and mystical groups of the previous two centuries. Spruance has expressed interest in, and drawn inspiration from, various mystical or occult systems such as Sufism, Kabbalah, Hermeticism, and alchemy.