Trout Mask Replica is the third studio album by the American musician Captain Beefheart and His Magic Band, released as a double album on June 16, 1969, by Straight Records. The music was composed by Captain Beefheart and arranged by drummer John "Drumbo" French. Combining elements of R&B, garage rock, and blues with free jazz and avant-garde composition, the album is regarded as an important work of experimental rock.