- Gertrud Schretter
- Peter Witsch
- Lou Marcella
- John Trehy
- Barry Morell
- Walter Herbert
- New Orleans Opera House Association Orchestra
- New Orleans Opera House Association Chorus
- Adriana Guerrini
- Emilia Ravaglia
- Ralph Lambert
- Massimiliano Malaspina
- Vivian Della Chiesa
- Antonio Madasi
- József Bódy
- Arpad Kishegyi
- Eva Gombos
- László Molnár
- Andrea Mate
- Peter Janosi
- Zsuzsa Kovács
- Sandor Sved
- Vilmos Rubányi
- Ernő Kenéz
- János Fodor
- Paula Takacs
- Dejion for Nu Soul Inc.
- Georgina Lukacs
- Peter Fried
- Daniza Ilitsch
- John Baker
- Joanna Parisi
- Alfred Hülgert
- Federica Iannella
- Theo Herrmann
- Karl-Heinz Stracke
- Theo Hermann
- Ugo Novelli
- Nada Paoli
- Hula for Nu Soul Inc.
- Roberto Bruni
- Virgilio Gottardi
- Giuseppe Varni
- Marcello Giorda
- L'Orchestra del Teatro di San Carlo
- Denis Harbour
- Johanne Moreland
- John Finley Williamson
- Charles Anthony Caruso
- Arturo La Perla