Artist: Herbie Hancock Album: Thrust Released: 1974 Recorded: August, 1974 Genre: Jazz fusion Length: 48:01 Label: Columbia Producer: David Rubinson & Herbie Hancock *** Track listing: All compositions by Herbie Hancock except as indicated 1. "Palm Grease" – 10:38 2. "Actual Proof" – 9:42 3. "Butterfly" – 11:17 4. "Spank-A-Lee" (Hancock, Mike Clark, Paul Jackson) – 7:12 Recorded at Wally Heider Studios, San Francisco in August, 1974 *** Personnel: Herbie Hancock – Fender Rhodes electric piano, Hohner D-6 Clavinet, ARP Odyssey, ARP Soloist, ARP 2600, ARP String Ensemble Bennie Maupin – soprano and tenor saxophone, saxello, bass clarinet, alto flute Paul Jackson – electric bass Mike Clark – drums Bill Summers - percussion *** Thrust is a jazz fusion album by Herbie Hancock, released in 1974 on Columbia Records. It served as a follow up to Hancock's album, Head Hunters (1973), and achieved similar commercial success, as the album reached as high as number 13 on the Billboard Hot 200 listing. The lineup for Thrust is the same as on Head Hunters, except Mike Clark replaced Harvey Mason on drums. This is his thirteenth album overall. The composition "Actual Proof" was originally written for the film The Spook Who Sat By the Door, and Hancock has used it as a demonstration of his style of playing the Fender Rhodes piano.[1] The composition "Butterfly" would subsequently be performed on the live album, Flood, and two more studio releases: Direct Step and Dis Is Da Drum.