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
Dusty Springfield self-harm and fear of losing her career if exposed as a lesbian". Simon Bell, one of Springfield's session singers, disputed the twin personality description: "It's very easy to decide there are two people, Mary and Dusty, but they were the one person. Dusty was most definitely Dusty right to the end." In her early career, much of her odd behaviour was seen as more or less in fun, described as a "wicked" sense of humour, including her food fights and hurling crockery down stairs. Springfield had a great love for animals, particularly cats, and became an advocate for animal protection