Credits Arranged By, Conductor – Frank Zappa Bass – Roy Estrada (tracks: 1, 4, 8, 10) Bassoon, Contrabassoon – Frederick Dutton* (tracks: 2, 3, 5 to 7, 9, 10) Cello – Benjamin Barrett Clarinet, Clarinet [Bass] – Jack Nimitz (tracks: 2, 3, 5 to 7, 9, 10) Clarinet, Clarinet [Bass] – Justin Gordon (tracks: 1, 4, 8, 10) Drums – Jimmy Carl Black (tracks: 1, 4, 8, 10), John Guerin (tracks: 2, 3, 5 to 7, 9, 10) Guitar – William Pitman* (tracks: 2, 3, 5 to 7, 9, 10), Dennis Budimir, Elliot Ingber, Lou Morell* (tracks: 2, 3, 5 to 7, 9, 10) Piano – Eugene DiNovi* Producer – Tom Wilson (2) Saxophone – Plas Johnson Timpani, Other [Mallets, Traps] – Kenneth Watson (tracks: 2, 3, 5 to 7, 9, 10) Trumpet – Anthony Terran* (tracks: 2, 3, 5 to 7, 9, 10) Trumpet, French Horn – James Zito (tracks: 1, 4, 8, 10) Tuba – John T. Johnson* (tracks: 2, 3, 5 to 7, 9, 10), Red Callender (tracks: 1, 4, 8, 10) Notes Recorded 9/10-Jun 1966 Some versions list: tracks 2, 5 as Oranged Colored Sky tracks 3, 9 as Variant I track 8 as I Love, or Autumn Love