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 "NASA (Swedish band)"): NASA is a Swedish synthpop band fronted by Patrik Henzel and Martin Thors.
Relevant evidence: No