Agustin Anievas /
Chopin /
Impromptu No. 1 in A-Flat Major, Op. 29
January 17 - 18, 1969 in London - Abbey Road Studios - Studio No. 1
- ( 2 CD ) Seraphim 5 6852 8
June 11 - 12, 1975 in London - Abbey Road Studios - Studio No. 1
- ( 1 LP ) EMI 1 C 063-2862
- ( 1 LP ) Seraphim S-60336
- ( 2 CD ) EMI 3 50874 2 - 00:04:10
- ( 1 CD ) EMI CDZ 7 62602 2
- ( 1 CD ) Encore CDE 7 67769 2
- ( 2 CD ) Warner Classics 3 50874 2 - 00:04:10