Band Time Expert ( C Trombone 1 BC )
Jan de Haan
Orchesterschule
Band-Coaching 1: Einspielen und Klangschulung - 00 Basic Set International
Hans-Peter Blaser
Sammlungen
Band-Coaching 2: Intonationstraining - 00 Basic Set International
Hans-Peter Blaser
Sammlungen
Band-Coaching 3: All in one - 00 Basic Set International
Hans-Peter Blaser
Orchesterschule