Claudio Arrau /
Schubert /
Impromptu No. 1 in C Minor, D. 899

September 25 - 27, 1978 in La Chaux de Fonds - Musica Théâtre
- ( 4 LP ) Philips 6768 352
- ( 1 LP ) Philips 9500 641
- ( 1 LP ) Philips 9500 641 FR
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- (80 CD) Decca 483 2984 - 00:09:55
- ( 1 CD ) Decca Japan UCCD-4873 - 00:09:53
- ( 3 CD ) Philips 432 307-2 - 00:11:35
- ( 2 CD ) Philips 473 895-2 - 00:09:52
- ( 6 CD ) Philips 473 926-2 - 00:09:45
- ( 1 CD ) Philips Japan PHCP-20284
- ( 3 CD ) Philips Japan PHCP-3159/61 - 00:11:35
- ( 1 CD ) Philips Japan UCCP-9354 - 00:09:53

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