Pussycat was a Dutch country and pop group led by the three Kowalczyk sisters: Toni, Betty and Marianne.Other members of the band were Lou Willé (Toni's then-husband), Theo Wetzels, Theo Coumans, and John Theunissen.Their song "Mississippi" was a #1 hit in most European countries, including the UK, in 1975/76.