| Artist name | Roles | Recordings |
|---|---|---|
| Mellow Sonic (drum and bass project of Sandro Kreher) | remixer | Callista (Mellow Sonic remix), Callista (Synesthesics remix), Knosses (Mellow Sonic remix) |
| Artist name | Roles | Recordings |
|---|---|---|
| Skinny Puppy | guitar | Rodent (remix), Use Less |
| cEvin Key | ebow, guitar | Frozen Sky |