Oliver Siefert
Oliver Siefert studied trombone with Professor Branimir Slokar in Trossingen and Berne. In addition, he also studied with Professor Lutz Lutz Köhler, Berlin and Dr. Edward Tarr, Basel. Oliver was a member of the “boys German Philharmonic Concert Halls” and won 1988 the German university competition as well as 1992 the international music competition “Prager […]
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