Wilhelm Kempff /
Schubert /
Impromptu No. 4 in A-Flat Major, D. 899

October 7, 1963 in Potsdam - Nikolaisaal
- ( 1 CD ) Claxl HCD 0808


September 1 - 3, 1965 in Hannover - Hannover Congress Centrum - Beethovensaal
- ( 1 LP ) DG 104 814
- ( 1 LP ) DG 139 149
- ( 1 LP ) DG 139 149
- ( 1 LP ) DG 139 149 SLPM
- ( 1 LP ) DG 2535 331
- ( 1 LP ) DG 2535 331 A
- ( 1 LP ) DG 416 710-1
- ( 1 LP ) DG Japan 20MG 0356
- ( 1 LP ) Ex Libris XL 172 799
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- ( 5 CD ) DG 435 495-2
- ( 1 CD ) DG 445 042-2 - 00:06:20
- ( 1 CD ) DG 453 672-2
- ( 1 CD ) DG 459 186-2 - 00:06:18
- ( 2 CD ) DG 459 412-2 - 00:06:20
- ( 2 CD ) DG 476 5318
- (35 CD) DG 479 0014
- ( 9 CD ) DG 479 6187
- ( 1 CD ) DG Japan POCG-90114 - 00:06:24
- (20 CD) DG Japan POCG-9185-204
- ( 3 CD ) Tower Records PROC-1873/5

June 5, 1969 in London - Queen Elizabeth Hall
- ( 1 CD ) BBC BBCL 4054-2 - 00:06:35

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