Harold Bauer /
Chopin /
Impromptu No. 4 in C-Sharp Minor, Op. 66 'Fantasie Impromptu'
October, 1918
- ( 1 CD ) Nimbus NI8817
May 8, 1925 in Camden - Victor Studios
- ( 1 LP ) RCA CAL-348
- ( 3 CD ) Appian APR 7302