Tracklist
| One & Only (Radio Remix) | 3:47 |
| One & Only (Original Mix) | 4:03 |
| One & Only (Club Edit) | 4:02 |
| One & Only (Extended Club Mix) | 7:06 |
| E-Motion | 5:22 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 156 455-2 | Deep Obsession | One & Only (CD, Maxi) | Universal | 156 455-2 | New Zealand | 1999 |
| 156 783-2 | Deep Obsession | One & Only (CD, Maxi) | Universal | 156 783-2 | Europe | 1999 |
| 012 156 793-2 | Deep Obsession | One & Only (CD, Single) | Universal Records | 012 156 793-2 | US | 1999 |
| DeePro200 | Deep Obsession | One & Only (CD, Single, Promo) | Universal Music Australia | DeePro200 | Australia | 1999 |
| UNIR 20049-2 | Deep Obsession | One & Only (CD, Single, Promo) | Universal Records | UNIR 20049-2 | US | 1999 |
| DO IT 08-00 | Deep Obsession | One & Only (12") | Do It Yourself Entertainment | DO IT 08-00 | Italy | 2000 |
| DEEPCD01 | Deep Obsession | One & Only (CD, Maxi, Promo) | Universal | DEEPCD01 | Europe | 2000 |
| 156 831-2 | Deep Obsession | One & Only (CD, Single, Enh, Ltd) | Universal Music Australia | 156 831-2 | Australia | 2000 |
