M1 - opening theme
Singer: Masayuki Tanaka
Lyricist: Shoko Fujibayashi
Composer/Arranger: Toshihiko Sahashi
M2 - Trychaser 2000 image song
Singer: Masayuki Tanaka
Lyricist: Nagae Kuwahara
Composer/Arranger: Toshihiko Sahashi
M4 - Masked Rider Kuuga image song
Singer: Jin Hashimoto
Lyricist: Shoko Fujibayashi
Composer/Arranger: Keiichi Oku
M5 - ending theme
Singer: Jin Hashimoto
Lyricist: Shoko Fujibayashi
Composer/Arranger: Toshihiko Sahashi
Album was composed by Keiichi Oku / Toshihiko Sahashi and was released on April 21, 2000. Soundtrack consists of 6 tracks tracks with duration over . Album was released by NIPPON COLUMBIA CO., LTD..
CD 1
| 1 | 仮面ライダークウガ! | | |
| 2 | TRY & CHASE | | |
| 3 | 仮面ライダークウガ! (オリジナル · カラオケ) | | |
| 4 | power of soul | | |
| 5 | 青空になる | | |
| 6 | 青空になる (オリジナル · カラオケ) | | |
