Question: What duo is principally known for their 1981 hit version of "Tainted Love" that was influencing to  a Swedish synthpop band founded in January 2002 by vocalist Christer Lundberg and producer Paul Lachenardière?
Sentence (from "Soft Cell"): The duo are principally known for their 1981 hit version of "Tainted Love" (#8 US) and 1981 debut album titled "Non-Stop Erotic Cabaret".
Relevant evidence: Yes