Tracklist:
| 1) | Knockin -Radio Version | 3:33 |
| 2) | Knockin -DJ X-Play Mix | 6:05 |
| 3) | Knockin -Original Version | 5:27 |
| 4) | Knockin -Baseline Mix 1 | 4:16 |
Companias, etc
Copyright -c: Happy Vibes
Distributed By: ZYX Music
Published By: M.Z. Publishing
Glass Mastered At: ZYX Mastering
Códigos e identificadores
| Barcode: Text | 0 9020-44342-2 0 |
| Barcode: Scanned | 090204434220 |
| Label Code: | LC 7741 |
| Rights Society: | GEMA |
| Matrix / Runout: | HV 9503-8 ZYX MASTERING |
