| 2024-03-09 |  There for You @ Effective Records (RU) @ 2024-03-08 | 1 | Dance / Pop | Dj Quba, Sandra K - There for You (Original Mix)2:14 | |
| 2021-11-03 |  Effective Halloween 2021 @ Effective Records (RU) @ 2021-10-29 | 7 | Dance / Pop | Dj Quba, Sandra K - It's Halloween Baby (Original Mix)2:03 | |
| 2021-10-17 |  On My Way @ Effective Records (RU) @ 2021-10-15 | 1 | Dance / Pop | Dj Quba, Sandra K - On My Way (Original Mix)2:06 | |
| 2021-09-11 |  Heartbeat @ Effective Records (RU) @ 2021-09-10 | 1 | Dance / Pop | Dayana, Dj Quba, Sandra K - Heartbeat (Original Mix)2:46 | |