Hiroshi Koizumi

- STANDING
- JO KONDO: SEN NO ONGAKU · 2014
- Waltz on the Theme of Bach
- Music of Hikari Oe 4: Hikari Oe, De nouveau · 2005
- Dear Wind
- Music of Hikari Oe 4: Hikari Oe, De nouveau · 2005
- Summer Diary
- Music of Hikari Oe 4: Hikari Oe, De nouveau · 2005
- Long Summer
- Music of Hikari Oe 3: Hikari Oe Anew · 1998
- Flute Rhapsody
- Music of Hikari Oe 3: Hikari Oe Anew · 1998
- Janny Boy
- Music of Hikari Oe 3: Hikari Oe Anew · 1998
- 3 Pieces: Mountain
- Music of Hikari Oe 3: Hikari Oe Anew · 1998
- 3 Pieces: Forest
- Music of Hikari Oe 3: Hikari Oe Anew · 1998
- 3 Pieces: Dream
- Music of Hikari Oe 3: Hikari Oe Anew · 1998
- Noturne No. 2
- Music of Hikari Oe 2: Hikari Oe Again · 1994
- Adagio in D Minor
- Music of Hikari Oe 2: Hikari Oe Again · 1994
- Siciliano in E Minor
- Music of Hikari Oe 2: Hikari Oe Again · 1994