- John Baker
- Franco Bordoni
- Hector Thomas
- The Milan Symphony Orchestra
- Anna Maria Rovere
- Sergio Liliani
- Laura Londi
- Lodovico Oliviero
- Inge Manski
- Stella Roman
- Käthe Lindloff
- Hr-Radiochor
- Heinrich Bensing
- Vera Presti
- Gerhard Pechner
- Mario Tommasini
- Atilio Barbesi
- Ernesto Farfàn
- Balazs Hantos
- Iselle Favati
- Alberto Lotti-Camici
- Angelo Lo Forese
- Joan Wall
- Emery Darcy
- Anne Bollinger
- Luben Vichey
- Delia Rigal
- Donatella Rosa
- Carla Vannini
- Gerhard Frei
- Hilbert Kahl
- Sylvia Pawlik
- Hans Joachim Lukat
- Rudolf Jedlička
- Hedwig Müller-Bütow
- Carlo Tomanelli
- Irma Schäfer
- Ellinor Junker-Giesen
- Hanne Stolze-Fröhlich
- South German Radio Choir
- Josefine Zlabinger
- Ottokar Shofer
- Hilde Vadura
- Lazar Javanovic
- Carmen Burello
- Pino de Vescovi
- Anna Maria Amicis
- Jorge Algorta
- Buenos Aires Teatro Colon Chorus
- Tullio Gagliardo