an Entity references as follows:
Manfred Schoof (born 6 April 1936) is a German jazz trumpet player. Schoof was born in Magdeburg, and studied music in Kassel and Cologne. He is a founder of European free jazz and collaborated with Albert Mangelsdorff, Peter Brötzmann, Mal Waldron, and Irène Schweizer. He has interpreted Die Soldaten, an operatic work by the contemporary composer Bernd Alois Zimmermann. Schoof won various jazz prizes and is involved in the German musical rights association. Since 2007 he has been chairman of the Union Deutscher Jazzmusiker. He has been a professor in Cologne since 1990.