Tracklist
| 1 By 1 (Instr.) | 5:42 |
| 1 By 1 (45t Version) | 3:30 |
| 1 By 1 | 8:25 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| HIT 3317 | Rachel Hart | 1 By 1 (12", Maxi) | Hi-Tension | HIT 3317 | Belgium | Unknown |
| PCDY-00007 | Rachel Hart | 1 By 1 (CD, Mini, Single) | Canyon International | PCDY-00007 | Japan | 1989 |
| PCDY-00007 | Rachel Hart | 1 By 1 (CD, Mini, Single, Promo) | Canyon International | PCDY-00007 | Japan | 1989 |
