| Artist name | Roles | Recordings |
|---|---|---|
| Benjamin (Italian electro, track "Tatalu") | ||
| Hazhe (Spanish hip hop producer) | ||
| Professor X (90s US conscious hip hop artist Lumumba Robert Carson) |
| Artist name | Roles | Recordings |
|---|---|---|
| Benjamin | vocal | Démocratie fasciste (Article 5), Wake Up! |
| Hazhe | vocal | Fire (feat. Wise Intelligent & ToteKing) |
| Professor X | vocal | Close the Crackhouse |