| 2020-06-09 |  Scum @ Dirty Beatz Records @ 2020-06-09 | 1 | Dubstep | Kei Kohara - Scum (Original Mix)2:49 | |
| 2020-06-09 | Scum @ Dirty Beatz Records @ 2020-06-09 | 2 | Mainstage | Kei Kohara - Scum (Brick Top Remix)3:37 | |
| 2019-04-29 |  Dirty Beatz, Vol. 6 @ Dirty Beatz Records @ 2019-04-29 | 4 | Dubstep | Kei Kohara - Drop Dead (Original Mix)3:30 | |
| 2018-08-17 |  Drop Dead @ Dirty Beatz Records @ 2018-08-17 | 1 | Dubstep | Kei Kohara - Drop Dead (Original Mix)3:30 | |