an Entity references as follows:
Johannes Kalitzke (born 12 February 1959) is a German composer and conductor. After studying in Cologne and at the IRCAM in Paris, he was chief conductor at the Musiktheater im Revier in Gelsenkirchen for several years, then led the ensemble musikFabrik and composed operas on commissions in Germany and Austria. He has been Professor of Conducting (Contemporary Music) at the Salzburg Mozarteum from 2015.