| 2025-03-05 |  Ray Cat @ Harmonia Records @ 2025-03-05 | 1 | Psy-Trance | QuarX - Ray Cat (Original Mix)7:22 | |
| 2025-03-05 | Ray Cat @ Harmonia Records @ 2025-03-05 | 2 | Psy-Trance | QuarX - Nuclear Waste (Original Mix)7:28 | |
| 2024-01-01 |  Banana Republic @ Harmonia Records @ 2024-01-01 | 4 | Psy-Trance | QuarX - Brain Interactions (Original Mix)7:35 | |
| 2022-02-25 |  Bonkers & Zonkers @ Harmonia Records @ 2022-02-25 | 9 | Psy-Trance | QuarX - Invisible Lights (Original Mix)7:03 | |