Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Velocity of sound L-Ver. | MOMO | 6:38 |
| 2 | Velocity of sound Piano Slow Talk ～やすらぎ | 中沢伴行 | 2:50 |
| 3 | Velocity of sound [Karaoke] L-Ver. | 中沢伴行 | 6:38 |
| 4 | Egen Vocal L-Ver. | MELL | 6:38 |
| 5 | Egen Piano Slow Talk | 羽越実有 | 6:35 |
| 6 | Egen Karaoke L-Ver. | 羽越実有 | 4:22 |
| 7 | Velocity of sound [NORMAL EFFECTS] L-Ver. | MOMO | 6:35 |
Source: MusicBrainz release group 539ab90d-781e-4635-ac21-ccb4e9c03397 (CC0). Cover: Cover Art Archive.