| 2025-04-11 |  I Can't Heat @ Testarossa Records @ 2025-04-10 | 1 | Nu Disco / Disco | Jeff Costello - I Can't Heat (Original Mix)5:30 | |
| 2024-12-07 |  Bo Quinn On (Original Mix) @ Testarossa Records @ 2024-12-06 | 1 | Funky House | Jeff Costello - Bo Quinn On (Original Mix)5:26 | |
| 2024-11-22 |  Saturday Night (Original Mix) @ Testarossa Records @ 2024-11-21 | 1 | Nu Disco / Disco | Jeff Costello - Saturday Night (Original Mix)5:56 | |
| 2024-08-03 |  Night You Dance (Original Mix) @ Testarossa Records @ 2024-08-02 | 1 | Nu Disco / Disco | Jeff Costello - Night You Dance (Original Mix)6:19 | |
| 2024-02-16 |  Falco - Der (Original Mix) @ Testarossa Records @ 2024-02-16 | 1 | Nu Disco / Disco | Jeff Costello - Falco - Der (Original Mix)5:43 | |
| 2023-09-20 |  I Robot @ Testarossa Records @ 2023-09-20 | 1 | Nu Disco / Disco | Jeff Costello - I Robot (Original Mix)6:18 | |
| 2023-05-24 |  Italo Sound @ Testarossa Records @ 2023-05-10 | 1 | Nu Disco / Disco | Jeff Costello - Italo Sound (Original mix)6:23 | |
| 2023-02-09 |  Fun Colors (Original mix) @ Testarossa Records @ 2023-02-08 | 1 | Nu Disco / Disco | Jeff Costello - Fun Colors (Original mix)6:40 | |
| 2022-11-25 |  Control your life @ Testarossa Records @ 2022-11-25 | 1 | Nu Disco / Disco | Jeff Costello - Control your life (Original mix)5:43 | |
| 2022-10-06 |  Fly 77 @ Testarossa Records @ 2022-09-16 | 1 | Nu Disco / Disco | Jeff Costello - FLY 77 (Original Mix)6:04 | |