Dr. Samuel Bak

Andreas Wolfram

Gaines Hall

Carlo Ghirardelli

Marie-Claire Ludwig

Jürgen Wink

Barbara Cramm (Sopran)

Petra Schmidt (Sopran)

Kammersänger Allan Evans (Bassbariton)

Mauro Nicoletti (Tenor)

Mario Klein (Bass)

Prof. Ulrike Fuhrmann (Sopran)

Prof. Dr. Michail Lanskoi (Bariton)

Prof. Mag. Art. Ludovít Marcinger

Nikolai Posnjakow

N.N. (Violine)

Marek Miklaniewicz (Klarinette)

Lucile Chaubard (Violoncello)

Dr. Elisabeth Moest (Querflöte)

Hubert Dapp

Prof. A. v. Brück

Johannes Moesus

Ho Sin Hang