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Concierto Brabajo
Schiffler Family
David & Ruth – The Walrus Ordered Waffles
Lätzsch – Professional Bass Trombones Contra Bass Trombones
Lätzsch – Professional Tenor Trombones
Russ Zokaites
Tenor & Bass Trombone USA
Kenneth Zandbergen
Bass & Contra Bass The Netherlands
Peter van Klink
Bass & Contra Bass Netherlands
Maxine Troglauer
Bass & Contra Bass Germany