Backup
| Title | Backup |
| Year | 2007 |
| Composer |
Masahiko Okura |
| Instrument/s | koto |
| First Performance | July 24, 2007, Ryuko Mizutani, Tokyo |
| Contact for Sheets | the composer |
| CD, Digital Audio | http://www.japanimprov.com/mokura/index.html |
| Title | Backup |
| Year | 2007 |
| Composer |
Masahiko Okura |
| Instrument/s | koto |
| First Performance | July 24, 2007, Ryuko Mizutani, Tokyo |
| Contact for Sheets | the composer |
| CD, Digital Audio | http://www.japanimprov.com/mokura/index.html |