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Dänemark| Label: | LaFace Records ProMusickCD |
| Genre: | Hip Hop |
| Format: | CD (Single , Promo) |
| 1 | Prototype (UK Radio Edit) | |
| 2 | Ghetto Musick (Radio Edit) » Written-By: Antwan Patton, Bunny Sigler, Kenneth Gamble |
| Label: | Arista 82876 65530 1 |
| Genre: | Hip Hop |
| Format: | Vinyl (12" , 33 ⅓ RPM) |
| A1 | Prototype | |
| A2 | Ghetto Musick | |
| B1 | Unhappy | |
| B2 | Prototype (Instrumental) |
| Label: | LaFace Records ProMusick 12 |
| Genre: | Hip Hop |
| Format: | Vinyl (12" , Promo) |
| A | Prototype (UK Radio Edit) | |
| B | GhettoMusick (Radio Edit) |
| Label: | LaFace Records 82876660912 |
| Genre: | Hip Hop, Funk / Soul |
| Style: | Jazzy Hip-Hop, Funk |
| Format: | CD (Single) |
| 1 | Ghetto Musick | 3:59 |
| 2 | Prototype | 5:28 |
| 3 | Spread | 3:54 |
| 4 | Unhappy | 3:19 |
