Contact Prof. Dr. Matthias A. Bertsch University of Music and Performing Arts Vienna Anton-von-Webern-Platz 1 (Raum K0109) A-1030 Vienna (Austria) Email: bertsch@mdw.ac.at Web: www.DrTrumpet.euTel.: +43 1 - 71155 3929 (Uni)Skype:Madidas66