Pianist Bernd Köppen from Wuppertal is a part of the free jazz scene around about Peter Brötzmann
. Since end of the sixties Köppen has performed with Peter Kowald
, Hans Reichel, Fred Braceful
, Peter Brötzmann, Detlef Schönenberg, Theo Jorgensmann
, Rüdiger Carl, Günter Christmann, Gerd Dudek, Radu Malfatti
, Frank Köllges, Barry Altschul, Ernst Reijseger, Han Bennink, Kent Carter
, Bill Elgart and many others.