"Tarkus" is a progressive rock album by the British band Emerson, Lake & Palmer, released in 1971. The album is known for its ambitious title track, which features a blend of rock, classical, and jazz influences. The music is characterized by complex arrangements and virtuosic performances, particularly by keyboardist Keith Emerson. The title track, "Tarkus," is a 20-minute suite that tells the story of a fictional armored creature. The album cover, designed by Nicolaus K. Schaffer, features a striking illustration of Tarkus, symbolizing the fusion of technology and nature. Overall, "Tarkus" is celebrated for its innovative sound and artistic vision.