| Artist name | Roles | Recordings |
|---|---|---|
| Aleksandrs Volks | guitar | To Deliver Brightness |
| Ingars Viļums | bass guitar | To Deliver Brightness |
| Ty (UK hip-hop artist Ben Chijioke) | vocal | To Deliver Brightness |
| Artist name | Roles | Recordings |
|---|---|---|
| Regensburger Domspatzen | arranger | Macht hoch die Tür |