but commercially one of their least successful. Nevertheless, Introspective remains, according to Tennant, the best-selling Pet Shop Boys album internationally. It peaked at number two on the UK Albums Chart, behind U2's Rattle and Hum. Track listing Notes Only Sterling Void is credited as a songwriter on original pressings of Introspective and the "It's Alright" single. Starting in 2001, Pet Shop Boys releases featuring "It's Alright" also credit Marshall Jefferson and Paris Brightledge for songwriting. signifies an additional producer signifies an associate producer Personnel Credits adapted from the liner notes of Introspective. Pet Shop Boys Neil Tennant Chris Lowe Additional musicians Richard Niles – orchestra arrangement and conducting Sally Bradshaw – additional vocals Josh Milan – piano solo Fro Sossa – additional keyboards Mike Bakst – additional keyboards, brass score Nestor Gomez – guitar Tony Concepción – brass, trumpet solo Kenneth William Faulk, Dana Tebor, Ed Calle – brass Lewis A. Martineé – brass arrangements The Voice in Fashion – backing vocals Blue Weaver – Fairlight programming Andy Richards, Gary Maughan – Fairlight programming Judy Bennett, Sharon Blackwell, H. Robert Carr, Mario Friendo, Derek Green, Michael Hoyte, Herbie Joseph, Paul Lee, Gee Morris, Dee Ricketts, Iris Sutherland, Yvonne White – additional vocals Technical Trevor Horn – production Stephen Lipson – production, engineering Pet Shop Boys – production ; associate production David Jacob – engineering ; production Mike Nielsen – engineering Frankie Knuckles – mix, additional production John Poppo – mix engineering Lewis A. Martineé – production, engineering, mixing Mike Couzzi – engineering César Sogbe – engineering assistance Julian Mendelsohn – production, engineering Artwork Mark Farrow – cover design Pet Shop Boys – cover design Eric Watson – photography Charts Weekly charts Year-end charts Certifications and sales References 1988 albums Albums produced by Stephen Lipson Albums produced by Trevor Horn Parlophone albums Pet Shop Boys albums