Kaoru Hagiwara
| Název skladby | Stopáž | Album | Hlavní umělec | |
| Blue Thermal | 04:10 | Blue Thermal | Ryoma Inoue | |
| Blue Thermal | 04:10 | Blue Thermal | Ryoma Inoue | |
| Blue Thermal | 04:10 | Shepherd | Ryoma Inoue | |
| Blue Thermal [Instrumental] | 04:10 | Blue Thermal | Ryoma Inoue | |
| From Space | 05:22 | From Space | Shimmy | |
| From Space Strings | 00:44 | From Space | Shimmy | |
| Hanabira | 04:38 | Encore | Soundbreakers | |
| Harunimayoikonde | 05:10 | Harunimayoikonde | SHISHAMO | |
| Harunimayoikonde | 05:10 | SHISHAMO 8 | SHISHAMO | |
| Kakotomirainoaida | 04:21 | Kakotomirainoaida | Masahiko Sato | |
| Kakotomirainoaida | 04:21 | Solitude Ability | Masahiko Sato | |
| My Foolish Heart | 05:06 | Kei Presents Kei | Kei Kobayashi | |
| Namidano Shomikigen | 05:21 | Solitude Ability | Masahiko Sato | |
| Oshiro | 04:41 | From Space | Yuko | |
| Quincy [John McEntire Mix] | 04:18 | May And December | Hirohisa Horie | |
| Smile | 03:25 | Kei Standards - The Best Of Kei Kobayashi | Kei Kobayashi | |
| Sundowner | 04:10 | May And December | Dan Miyakawa | |
| When You Wish Upon A Star | 02:25 | Kei Standards - The Best Of Kei Kobayashi | Leigh Harline |