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Sponsoring

Prof. Dr. Michael Fried, Violin

Contact: sponsendtradioring@polyphonia.ch

Financial Revisor

Aurélien Borgeaud, Trumpet

Programme Editors

Mariella Meier, Violin

Mara-Sarina Eberhard, Viola

Hedwig Schultz, Violin

Contact: programmendtradiheft@polyphonia.ch

Webmaster

Linda Wilhelm, Violin