Heinz Holliger, oboe Ursula Holliger, harp
Hans Werner Henze (conductor)Royal Concertgebouw Orchestra
Kirill Kondrashin (conductor)Royal Concertgebouw Orchestra
Glenn Gould, piano
Dimitri Mitropoulos (conductor)Royal Concertgebouw Orchestra
Hans Rosbaud (conductor)Royal Concertgebouw Orchestra
Pierre Monteux (conductor)Royal Concertgebouw Orchestra