5), Mellotron (tracks 2, 6), Minimoog (tracks 1, 4, 6), Moog Modular (track 4), Clavinet (track 3), Baldwin spinet electric harpsichord (track 2, 3), vibraphone (track 2), bongos (track 2), triangle (track 2), lead vocals (2, 6) Malcolm Mortimore – drums, concert snare (track 2), hi-hat (track 2), bass drum (track 2) Derek Shulman – lead vocals (3–6) Phil Shulman – tenor saxophone (tracks 1, 3, 4), alto saxophone (track 3), baritone saxophone (track 3), lead vocals (1, 2, 4, 6) Ray Shulman – bass, fuzz bass (track 1), violins (track 4), electric violin (track 5), twelve-string guitar (track 1), vocals (track 6) Additional personnel Boy's voice on "Schooldays" – Calvin Shulman Engineer – Martin Rushent Sleeve Design – Rick Breach Publisher – Excellency Music Phonographic Copyright (p) – Malibu Record Productions, Inc. Charts References 1972 albums Gentle Giant albums Columbia Records albums Concept albums Repertoire Records albums Vertigo Records albums