Tracklist
| Forerunner (Club Mix) | 6:27 |
| Groovebird (Club Edit) | 5:00 |
| Substance | 4:25 |
| Forerunner (Radio Edit) | 3:58 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| NBG 0102-MCD | Natural Born Grooves | Forerunner & Groovebird (CD, Maxi) | Natural Born Grooves | NBG 0102-MCD | Belgium | 1995 |
| NBG 01 CD | Natural Born Grooves | Forerunner & Groovebird (CD, Maxi) | Natural Born Grooves | NBG 01 CD | Belgium | 1995 |
