Star (discarded alternate version) Hal Blaine – drums Frank Capp – bongos with sticks Steve Douglas – tenor flute Carl Fortina – accordion Bill Green – contra-clarinet Carol Kaye – 12-string electric guitar Larry Knechtel – Hammond organ Al de Lory – piano with taped strings Mike Melvoin – tack piano Jay Migliori – flute Tommy Morgan – bass harmonica Ray Pohlman – Fender bass (fuzz bass in chorus) Lyle Ritz – upright bass Arthur C. Smith – piccolo, ocarina Paul Tanner – Electro-Theremin May 4 – Western ["First Chorus", "Second Chorus", and "Fade"] (this session produced the first bridge heard in the final master) Jimmy Bond – upright bass Frank Capp – bongos with sticks, tambourine, overdubbed sleigh bells Al Casey – electric guitar Jerry Cole – electric guitar Jim Gordon – overdubbed sleigh bells Bill Green – bass saxophone Jim Horn – piccolo Al de Lory – tack pianos (including overdub) Tommy Morgan – bass harmonica, overdubbed jaw harp Ray Pohlman – Fender bass Bill Pitman – Danelectro bass (with fuzz tone) Paul Tanner – Electro-Theremin unknown (possibly Hal Blaine) – tambourine May 24 – Sunset Sound ["Part 1", "Part 2", "Part 3", and "Part 4"] (discarded bridge and choruses) Gary Coleman – castanets, sleigh bells, clavs Steve Douglas – tambourine Jim Gordon – drums, timpani Bill Green – alto flute Jim Horn – flute, piccolo (bridge) Carol Kaye – Danelectro bass Al de Lory – pianos with taped strings (including overdub) Jay Migliori – flute (bridge), kazoos (including overdub) Lyle Ritz – upright bass Paul Tanner – Electro-Theremin Carl Wilson – Fender bass May 25 – Sunset Sound ["Part 1", "Part 2", "Part 3", and "Part 4"] (discarded overdubs recorded on May 24 backing tracks) Arthur "Skeets" Herfurt – clarinet Jim Horn – piccolo Abe Most – clarinet May 27 – Western ["Part C", "Chorus", and "Fade Sequence"] (this session produced the third bridge and chorus fade heard in the final master) Gary Coleman – timpanis ("Part C"), sleigh bells ("Chorus") Steve Douglas – tambourine Jim Gordon – drums Jim Horn – piccolos, flutes Plas Johnson – piccolos, flutes Mike Melvoin – upright piano, overdubbed piano with taped strings Bill Pitman – Danelectro bass (including fuzz tone) Emil Richards – overdubbed vibraphones Lyle Ritz – upright bass (arco in "Part C") Paul Tanner – Electro-Theremin Carl Wilson – electric rhythm guitar (chorus fade) Arthur Wright – Fender