Maria João Pires /
Schubert /
Impromptu No. 4 in A-Flat Major, D. 899

November, 1981 & May, 1985 in Zurich - Radio DRS - Studio No. 1
- ( 1 LP ) Erato 09.275262.70
- ( 1 LP ) Erato NUM 75262
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- ( 1 CD ) Cascavelle VEL 5001 - 00:07:08
- (17 CD) Erato 025646310654 - 00:07:09
- ( 1 CD ) Erato 0630-10717-2 - 00:07:08
- ( 1 CD ) Erato 0825646138234 - 00:07:11
- ( 1 CD ) Erato 2292-45250-2 - 00:07:08
- ( 2 CD ) Erato 4509-91928-2 - 00:07:08
- ( 1 CD ) Erato ECD 88181 - 00:07:08
- ( 1 CD ) Erato Japan R32E-1032 - 00:07:11
- ( 1 CD ) Warner Classics 2564613823 - 00:07:11

September 15 - 17, 1996 in Haarlem - Concertgebouw
- ( 2 CD ) DG 457 550-2 - 00:07:49
- (20 CD) DG 479 2690 - 00:07:49
- ( 1 CD ) DG Japan UCCG-70088 - 00:07:59
- ( 1 CD ) DG Japan UCCG-7075 - 00:07:59
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- ( 1 SA ) Esoteric ESSG-90196 - 00:07:48
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- ( 1 SHM ) DG Japan 474 1002 - 00:07:48
- ( 2 SHM ) DG Japan UCCG-4840/1 - 00:07:49
- ( 1 SHM ) DG Japan UCCG-50095 - 00:07:59
- ( 1 SHM ) DG Japan UCCG-51094 - 00:07:59

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