Band members:
The band are not explicitly credited, but consist of Chris Lowe (keyboards) and Neil Tennant (vocals, keyboards).

Additional musicians:
Blue Weaver: Fairlight programming (1, 11), Hammond organ (11)
Adrien Cook: Fairlight programming (5-7)
Stephen Lipson: guitar (11)
Chris Newman: Fairlight programming assistance (12), additional programming (19)
Trevor Horn: keyboards (13)
Dominic Clarke: programming (17, 18)
Gary Maughan: additional keyboards (18)
Scott Davidson: programming (20)
Harold Faltermeyer: programming (21)
Pete Gleadall: programming (22, 24-27, 29, 30)
Richard Coles: additional keyboards (23)
J.J. Belle: guitar (26)
Johnny Marr: guitar (27)
Frank Ricotti: percussion (27), vibraphone (27)
Tony Walthers: backing vocals (28)
Daniel Gaha: backing vocals (28)
Lance Ellington: backing vocals (28)
Gerard Prescencer: trumpet solo (28)

Additional vocals: Helena Springs (7), Shirley Lewis (11), Dee Lewis (11), Juliet Roberts (17), Carol Kenyon (24), Katie Kissoon (24), Tessa Niles (24), Bruce Woolley (25), Sylvia Mason-James (26)

Strings arranged and conducted by Richard Niles (27). Arranged and conducted by Richard Niles (28)

Produced by
Pet Shop Boys (3-6, 9-12, 14-20, 22, 24-27, 29, 30)
Pet Shop Boys and Phil Harding (1)
Pet Shop Boys and Bobby 'O' (2)
Pet Shop Boys and Shep Pettibone (7)
Pet Shop Boys and David Jacob (8)
Trevor Horn and Stephen Lipson (13)
Pet Shop Boys and Harold Faltermeyer (21)
Pet Shop Boys and Jonathon Ruffle (23)
Richard Niles and Pet Shop Boys (28)

Additional production: Shep Pettibone (4), Stephen Hague (22, 24)

Mixed by Shep Pettibone (4), David Jacob (5, 6, 12, 17, 19), Bob Kraushaar (10, 26, 29, 30), Mark Stent (11), Pete Schwier (16, 27), Julian Mendelsohn (18, 21), Stephen Hague (22, 24), Mike 'Spike' Drake (22, 24, 25)

Engineered by Phil Harding (1), John Etchells (3), David Jacob (5, 6, 8, 9, 12, 17), Dave Meegan (7), Mike Nielson (9), Bob Kraushaar (10, 18, 21, 22, 24-26, 29, 30), Mark Stent (11), Stephen Lipson (13), Paul Wright (14), Pete Schwier (14, 16, 18, 27), Danton Supple (15), Roy Spong (19), Ren Swan (20), Brian Reeves (21), Pete Gleadall (22, 24, 25), Mike Bigwood (28). Mix engineer: Frank Roszak (2)

Recorded in 1983 (2), 1985 (1), 1986 (3-6), 1987 (7-10), 1988 (11-13, 19, 23), 1989 (14, 15), 1990 (16-18, 21), 1991 (20), 1993 (22, 24-26, 28), 1994 (27, 29, 30). First released in 1985 (1, 2), 1986 (3-6), 1987 (7-10), 1988 (11-13), 1989 (14, 15), 1990 (16-18, 21), 1991 (19, 20), 1993 (22-26, 28), 1994 (27, 29, 30)

Tracks:
CD 1
1. In the Night [Tennant/Lowe]
2. A Man Could Get Arrested [Tennant/Lowe]
3. That's My Impression [Tennant/Lowe]
4. Was That What It Was? [Tennant/Lowe]
5. Paninaro [Tennant/Lowe]
6. Jack the Lad [Tennant/Lowe]
7. You Know Where You Went Wrong [Tennant/Lowe]
8. A New Life [Lowe/Helena Springs/Tennant]
9. I Want a Dog [Tennant/Lowe]
10. Do I Have To? [Tennant/Lowe]
11. I Get Excited (You Get Excited Too) [Tennant/Lowe]
12. Don Juan [Tennant/Lowe]
13. The Sound of the Atom Splitting [mus: Lowe/Tennant/Lipson/Horn; lyr: Tennant]
14. One of the Crowd [Tennant/Lowe]
15. Your Funny Uncle [Tennant/Lowe]

CD2
16. It Must Be Obvious [Tennant/Lowe]
17. We All Feel Better in the Dark [Tennant/Lowe]
18. Bet She's Not Your Girlfriend [Tennant/Lowe]
19. Losing My Mind [Sondheim]
20. Music for Boys [Tennant/Lowe]
21. Miserabilism [Tennant/Lowe]
22. Hey, Headmaster [Tennant/Lowe]
23. Whats Keeps Mankind Alive? [Bertolt Brecht/Kurt Weill]
24. Shameless [Tennant/Lowe]
25. Too Many People [Tennant/Lowe]
26. Violence (Haçienda version) [Tennant/Lowe]
27. Decadence [Tennant/Lowe]
28. If Love Were All [Noel Coward]
29. Euroboy [Tennant/Lowe]
20. Some Speculation [Tennant/Lowe]

Comments: (***) A collection of the band's b-sides. Note also friends of Buggles, Tessa Niles and Bruce Woolley, provided some additional vocals, while Horn's long-time collaborator Stephen Lipson worked on a number of tracks. (HP, 19 May 01)