The Pet Shop Boys are a British synth-pop duo composed of Neil Tennant and Chris Lowe, known for their sophisticated and literate style. In 1987, they collaborated with iconic British singer Dusty Springfield on the hit single "What Have I Done To Deserve This?", marking a significant milestone in their career. Their music blends pop and dance with a theatrical flair, while Springfield's soulful vocals added a unique dimension to their sound. This collaboration is remembered as a significant moment in pop music, helping to revitalize Springfield's career and solidifying the Pet Shop Boys' status as influential figures in the synth-pop genre.