Alfred Cortot /
Chopin /
Etude No. 21 in G-Flat Major, Op. 25, No. 9 'Butterfly'
April 22, 1920 in Camden - Church Building
- ( 1 78 ) Victrola 64989
- (40 CD) EMI Classics 50999 704907 2 5 - 00:00:58
January, 1923
- ( 1 LP ) Adès 16 017
- ( 1 LP ) Adès MS 30 LA 519
- ( 1 LP ) Distinguished Recordings DR 104
- ( 1 CD ) Nimbus Records NI 8814 - 00:00:56
February 28, 1923 in Camden - Church Building
- ( 1 78 ) Victrola 561
- (40 CD) EMI Classics 50999 704907 2 5 - 00:00:58
June 18 & 21, 1934 in London - Abbey Road Studios - Studio No. 3
- ( 3 78 ) Disque Gramophone DB-2308/10
- ( 4 78 ) HMV D. B. 2308/10
- ( 5 LP ) Angel Japan GR-2060-E
- ( 1 LP ) Angel Japan GR-2176 (2)
- ( 1 LP ) Angel Japan GR-2312
- ( 1 LP ) Angel Japan GR-70025
- ( 1 LP ) EMI 2905401 M
- ( 1 LP ) EMI 3C 053-00858
- ( 1 LP ) La Voce del Padrone QALP 10155 (2)
- ( 1 LP ) La Voix de Son Maitre 2C 061-00858 M
- ( 1 LP ) La Voix de Son Maitre COLH 39 (2)
- ( 1 LP ) La Voix de Son Maitre FALP PM 30.116
- ( 1 LP ) World Records SH 326
- ( 1 CS ) EMI 2905404
- (40 CD) EMI Classics 50999 704907 2 5 - 00:01:02
- ( 1 CD ) EMI Classics Japan TOCE-3562 - 00:02:45
- ( 5 CD ) EMI Classics Japan TOCE-6661/5 - 00:01:00
- ( 2 CD ) Philips 456 753-2 - 00:01:00
- ( 1 CD ) Τα Νέα 171.908-2 - 00:01:00
November 4, 1942 in Paris - Studio Albert
- ( 1 LP ) La Voix de Son Maitre FJLP 5050
- ( 2 CD ) Appian APR6046 - 00:01:03
- (40 CD) EMI Classics 50999 704907 2 5 - 00:01:04
December 1 & 3, 1952 in Toyko - Toshiba Studios
- ( 1 LP ) Victor Japan LS-2001
- (40 CD) EMI Classics 50999 704907 2 5 - 00:01:06
June 29, 1954 in London - Abbey Road Studios - Studio No. 3
- ( 1 LP ) HMV ALP 1197 (2)
- ( 1 LP ) La Voce del Padrone QALP 10080
- ( 1 LP ) La Voix de Son Maitre FALP 349
- ( 1 LP ) La Voz De Su Amo LALP 306
- (40 CD) EMI Classics 50999 704907 2 5 - 00:01:09