Dusty Springfield market, scoring 18 singles in the "Billboard" Hot 100 from 1964 to 1970 including six in the top 20. The music press considers her an iconic figure of the Swinging Sixties. Quentin Tarantino caused a revival of interest in her music in 1994 by including "Son of a Preacher Man" in the "Pulp Fiction" soundtrack, which sold over three million copies. In that same year, in the documentary, "Dusty Springfield: Full Circle", guests of her 1965 "Sound of Motown" show credited Springfield's efforts with popularising US soul music in the UK. In 2008, country/blues singer-songwriter Shelby Lynne recorded a tribute
Reputation (Dusty Springfield album) to Deserve This?". Pet Shop Boys had contacted Springfield's manager to ask if Springfield would perform guest vocals on the duet. Being a fan of their work, Springfield accepted the offer and the song became a massive hit all over the world, peaking at No. 2 in both the UK and the United States, which proved to be the biggest hit of her career in the US. This renewed Springfield's confidence in recording, as well as interest in her work from the general public, and led to another hit single "Nothing Has Been Proved", also written by Pet Shop Boys