Yukio Yokoyama /
Chopin /
Impromptu No. 1 in A-Flat Major, Op. 29
July 1 - 3, 1996 in Tokyo - Iwai Civic Hall
- ( 1 CD ) Sony Japan SRCR-1682
April 18 - 19, 2011 in Ueno Gakuen - Ishibashi Memorial Hall
- (12 CD) King Records KICC-91440
- ( 1 CD ) King Records KICC-919