Pussycat was a Dutch pop group from Brunssum in Limburg 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. The band had four international hits in a row in the mid-seventies: Mississippi (1975), Georgia (1976), Smile (1976) and My broken souvenirs (1977) and then a series of hit singles in the Netherlands and Belgium. Mississippi was number 1 the Netherlands and in another 15 countries. 'Mississippi' achieved 22 gold records. It is estimated that "Mississippi" sold over five million copies worldwide. Most of Pussycat's songs were written by Werner Theunissen.