Album lyrics Portrait: The Vienna Boys' Choir by Uwe Christian Harrer, Wiener Sängerknaben, Chorus Viennensis, Wiener Symphoniker, Max Emanuel Cencic, Martin Haselböck, Peter Jelosits, Alfred Halbartschlager, Gerhard Eder, Michael G. Gormley, Wiener Volksoper Kammerorchester, Capella Caldara, Ernst Jankowitsch, Ingomar Rainer, Jean Nirouet, Kurt Equiluz, Rudolf Scholz, Wiener Volksopernorchester, Anton Scharinger, Dominik Orieschnig, Georg Nigl, Michael Schwendinger & Steven Mockel