| 2021-06-19 |  Into the void of darkness @ LETS TECHNO records @ 2021-06-08 | 1 | Hard Techno | Spectrum A - Into the Void of Darkness (Original Mix)7:30 | |
| 2021-01-14 |  Necromancer @ LETS TECHNO records @ 2021-01-06 | 1 | Hard Techno | Spectrum A - Blast (Original Mix)6:54 | |
| 2021-01-14 | Necromancer @ LETS TECHNO records @ 2021-01-06 | 2 | Hard Techno | Spectrum A - Necromancer (Original Mix)7:16 | |