Accordion [Accordions]: Gordie Fleming

Alto Saxophone: David Sanborn

Congas, Triangle, Waterphone, Chimes [Wind Chime], Ganzá [Ganza]: Chico Batera

Double Bass, Bass [Fender Precision]: Bruce Lynch

Drums [Hayman Kit], Snare [Ludwig Snares], Vocals: Gerry Conway

Engineer [Recording]: Leanne Ungar

Engineer [Recording]: Nick Blagona

Guitar [Fender Stratocaster, Gibson J200], Twelve: String Guitar [Rickenbacker 12 String] - Simon Nicol

Mastered By [Mastering]: Bernie Grundman

Mixed By [Mixing]: Bart Chiate

Mixed By [Mixing]: Gary Ulmer

Mixed By [Mixing]: Gerry Block

Mixed By [Mixing]: Nick Blagona

Mixed By [Mixing]: Patrick Chevalot

Mixed By [Mixing]: René Ameline

Mixed By [Mixing]: Ron St. Germain

Organ [Yamaha, B3], Electric Piano [Wurlitzer], Synthesizer [Eminence String Synthesizer], Harpsichord, Piano, Vibraphone, Arranged By [Strings & Brass Arrangements]: Jean Roussel

Photography By [Cat Stevens]: Bob Lambert

Photography By [Inside Photo: Gaseous Nebula, The "Trifid" In Sagittarius, Courtesy Of]: Hale Observatories

Text By [Text Excerpted From The Book "NUMBERS" Written By]: Allan Scott (6)

Text By [Text Excerpted From The Book "NUMBERS" Written By]: Chris Bryant (9)

Twelve: String Guitar [12 String], Acoustic Guitar [Martin D 41], Vocals - Alun Davies

Vocals [Vocalists]: Anna Peacock

Vocals [Vocalists]: Art Garfunkel

Vocals [Vocalists]: Barbara Massey

Vocals [Vocalists]: Brenda Russell (2)

Vocals [Vocalists]: Carl Hall

Vocals [Vocalists]: Carmen Twillie

Vocals [Vocalists]: Lewis Furey

Vocals [Vocalists]: Magic Children Of Ottawa

Vocals [Vocalists]: Melba Joyce

Vocals [Vocalists]: Suzanne Lynch

Vocals [Vocalists]: Tasha Thomas

Vocals [Vocalists]: Venette Gloud

Vocals [Vocalists]: Vincent Beck

Written: By, Producer [Produced By], Guitar [Gibson Les Paul, Ovation], Twelve-String Guitar [12 String Yamaha], Grand Piano [Yamaha 9'], Electric Piano [Fender], Synthesizer [Arp 2500 and Arp 2600], Illustration [Illustrations], Artwork - Cat Stevens