. . "2008Z"^^ . . . "Sven Sieperda & Wietse Amersfoort"@en . . "Psyko Punkz"@en . . . . "The Psyko Punkz is a Dutch hardstyle production/DJ duo, consisting of Sven Sieperda (born September 5, 1985) and Wietse Amersfoort (born July 19, 1985). The duo are among the top \"hardstyle\" purveyors across the Atlantic and are increasingly popular worldwide, thanks to their unique and hard-hitting take on the scene.They first met by chance at a party and discovered that they shared a mutual love and appreciation for electronic music, and more specifically, the Hardstyle genre."@en . . "1985-09-05Z"^^ . "group_or_band" . . .