June 10, 14-16, 1955, New York.
(90)
Recorded: April 22-25 & May 15, 19, 29, 1981, New York.
(140)
Vancouver International Festival, Orpheus Teatre, Vancouver, July 23, 1958
(20)
Recorded: June 21, 1954, Toronto.
(8)
Salzburg, 25.August 1959
(23)
Salzburg, 1958. The record was processed by the Glenn Gould Center in 2017.
(11)
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