Yukio Yokoyama /
Chopin /
Trois Nouvelles Etude in A-Flat Major, B. 130, No. 2
October 7 - 9, 1992 in Tokyo - Bunka Kaikan - Mai Mai Hall
- ( 1 CD ) Sony SK 62605
- ( 1 CD ) Sony Japan SICC-10021
- ( 1 CD ) Sony Japan SRCR-2685
May 10 - 11, 2011 in Ueno Gakuen - Ishibashi Memorial Hall
- (12 CD) King Records KICC-91440
- ( 1 CD ) King Records KICC-920