Tomonao Hara Masahiko Osaka Yuichi Inoue Tetsuro Kawashima Shin Kamimura
ex Yasuhiro Kohama, Shuhei Mizuno, Hiroshi Tanaka
ex Yasuhiro Kohama, Shuhei Mizuno, Hiroshi Tanaka
ALBUMS
Masahiko Osaka & Tomonao Hara Quintet
Streets & Avenues
1997, CD, Album, Paddle Wheel
Masahiko Osaka & Tomonao Hara Quintet
Quintuplets
1997, CD, Album, Paddle Wheel, 
Masahiko Osaka & Tomonao Hara Quintet
Favorites For Lovers
1995, CD, Album, Paddle Wheel
Masahiko Osaka & Tomonao Hara Quintet
Favorites
1995, CD, Album, Paddle Wheel,
Yoichi Kobayashi & Good Fellas*, Masahiko Osaka & Tomonao Hara Quintet, Makoto Kuriya Electric Band
A Special Night For Dingo
1995
大坂昌彦 & 原朋直クインテット*
def
1994
Masahiko Osaka & Tomonao Hara Quintet
Dawn Breaks
1993, CD, Album, Paddle Wheel, Paddle Wheel
APPEARANCES +
Various
The Jazz Restoration In Japan Vol.3 = 日本ジャズ維新 火の巻
1996, CD, Comp, Paddle Wheel,
Various
The Jazz Restoration In Japan Vol.2 = 日本ジャズ維新 地の巻
1996, CD, Comp, Paddle Wheel,
Various
The Jazz Restoration In Japan Vol.1 = 日本ジャズ維新 天の巻
1995, CD, Comp, Paddle Wheel,
Various
Jazz, Your Magic Spell Is Everywhere
1994, CD, Comp, Promo, Paddle Wheel, ,
, Contemporary Jazz/Avant-garde Jazz/Fusion/Jazz-Funk/Post Bop/Hard Bop
The Jazz Restoration In Japan
日本ジャズ維新
1993, CD, Album, Comp, Promo, Paddle Wheel