| I Don’t Understand It (Original Extended) | No data | No data |
| I Don’t Understand It (Original Dub) | No data | No data |
| I Don’t Understand It (Harlem Hustlers Piano-a-pella) | No data | No data |
| I Don’t Understand It (Harlem Hustlers Instrumental) | No data | No data |
| I Don’t Understand It (Harlem Hustlers Club Mix) | No data | No data |
| I Don’t Understand It (Dave Warrin Vocal Mix) | No data | No data |
| I Don’t Understand It (Dave Warrin Human Orchestra Dub Mix) | No data | No data |
| I Don’t Understand It (Cass & Slide Psychedelic High Remix) | No data | No data |