Jorge Bolet /
Chopin /
Etude No. 4 in G-Flat Major, Op. 10, No. 5 'Black Keys'
1961 in Bayside - Belock Recording Studio
- ( 1 LP ) Discophon 43.023
- ( 1 LP ) Discophon S 4132
- ( 1 LP ) Everest LP 1055
- ( 1 LP ) Everest SDBR 3079
- ( 1 LP ) Orlador 30073 C
- ( 1 LP ) Orlador 30074 C
- ( 1 LP ) World Record Club ST-4043
- ( 1 LP ) World Record Club TP 149
- ( 1 CD ) Everest EVC 9028 - 00:01:40
- ( 1 CD ) Everest SDBR 3079
March 22, 1962 in Berlin - Rundfunk im amerikanischen Sektor
- ( 3 CD ) Audite 21.438