STOCKHOLM 1975-03-22. The Dutch pop group Teach-In. From left: Chris de Wolde, John Gaasbeek, Getty Kaspers, Koos Versteeg, Ard Weenink and Rudi Nijhuis celebrates their victory in the Eurovision Song Contest with the song "Ding-a-dong" in Stockholm, Sweden, March 22 1975.. Photo: Olle Lindeborg / SCANPIX SWEDEN / Code: 190.
STOCKHOLM 1975-03-22. The Dutch pop group Teach-In. From left: Chris de Wolde, John Gaasbeek, Getty Kaspers, Koos Versteeg, Ard Weenink and Rudi Nijhuis celebrates their victory in the Eurovision Song Contest with the song "Ding-a-dong" in Stockholm, Sweden, March 22 1975.. Photo: Olle Lindeborg / SCANPIX SWEDEN / Code: 190