| What Is Dub? (Delightful Mix) | ||
| What Is Dub? (Living Bassline Version) | ||
| '91 Rocksteady (Vocal Mix) |
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| What Is Dub? (12") | Love Records, Polydor | EVOLX 3, 879 933-1 | UK & Europe | 1991 | |
| What Is Dub? (Remixes) (12") | Love Records | EVOLR 3 | UK | 1991 | |
| What Is Dub? (12", Promo) | Love Records | EVOLX 03 PRO | UK | 1991 | |
| What Is Dub? (7") | Love Records | EVOL 3 | UK | 1991 |