I Thank You · ZZ Top Deguello ℗ 1979 Warner Records Inc. Released on: 1979-11-01 Vocals, Guitar, Baritone Saxophone: Billy Gibbons Background Vocals, Keyboards, Tenor Saxophone, Bass Guitar: Dusty Hill Drums, Alto Saxophone, Percussion: Frank Beard Producer: Bill Ham Sound Engineer: Terry Manning Sound Engineer: Bob Ludwig Composer: David Porter Composer: Isaac Hayes