Artists such as Karlheinz Stockhausen, Sylvano Bussotti, Hans G. Helms, Benjamin Patterson, I-Sang Yun, Christoph Caskel, David Tudor, and Nam June Paik participated in Contre-Festival zum Kölner IGNM-Fest held at Mary Bauermeister’s Cologne atelier in 1960. The photograph shows Bussotti in a white shirt performing Coeur (Heart for Percussion) (1959). Sitting next to him is Paik, who in Contre-Festival re-staged Hommage à John Cage that was premiered in Galerie 22 the previous year.
