Tracklist
| I Let 'Em Know (Vocal) | 4:45 | |
| I Let 'Em Know (Remix) | 5:22 | |
| The Fastest Rhyme - My Name Is Young | 5:45 | |
| Know How (Vocal) | 4:00 | |
| Know How (Instrumental) | 4:35 |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| I Let 'Em Know / The Fastest Rhyme / Know How (12") | Delicious Vinyl | DV1001 | US | 1988 | |
| I Let 'em Know / My Name is Young (12") | Delicious Vinyl | DV004 | US | 1988 | |
| Let 'Em Know (Remix) (12", Promo) | Delicious Vinyl | 441 010-0 DJ | US | 1990 |