Murray Perahia /
Schubert /
(4) Impromptus, D. 899
November 22 - 23, 1982 in New York City - Vanguard Recording Studios
- ( 1 LP ) CBS 1P 7598
- ( 1 LP ) CBS D 37291
- ( 1 LP ) CBS IM 37291
---
- ( 1 CD ) CBS Japan 32DC-450 - 00:28:26
- (73 CD) Sony 88691912562
- ( 2 CD ) Sony 88697099532
- ( 1 CD ) Sony SK 37291 - 00:28:21
- ( 1 CD ) Sony SK 94732 - 00:28:41