| 2025-04-04 |  Hollow @ widerworks @ 2025-04-04 | 1 | Melodic House & Techno | Polygraph - Hollow (Original Mix)4:24 | |
| 2025-04-04 | Hollow @ widerworks @ 2025-04-04 | 2 | Melodic House & Techno | Polygraph - Hollow (Extended Mix)5:33 | |
| 2024-07-12 |  Echo of a Goodbye @ widerworks @ 2024-07-12 | 1 | Melodic House & Techno | Polygraph - Echo of a Goodbye (Extended Mix)5:00 | |