Earl Wild /
Chopin /
Impromptu No. 4 in C-Sharp Minor, Op. 66 'Fantasie Impromptu'
September 20 - 22 & 26 - 27, 1978 in New York City - RCA Studios - Studio A
- ( 3 LP ) Quintessence 3PC-3704
- ( 1 LP ) Quintessence PMC 7131
May 11, 2003 in Buffalo - Holy Trinity Lutheran Church
- ( 1 CD ) Ivory Classics CD-73005
- ( 1 CD ) Ivory Classics CD-73005a