The complete collection of their singles from across 35 years of the duo's acclaimed career. The 3CD format includes all Pet Shop Boys' hits starting with their debut single 'West End girls' and continuing through such iconic tracks as 'Love Comes Quickly', 'It's a Sin', 'Always on My Mind', 'Being Boring', 'Suburbia', 'Opportunities', 'What Have I Done to Deserve This?', 'Rent' and 'Heart'.