| Artist name | Roles | Recordings |
|---|---|---|
| Scott Reeder (US bass player, formerly with Kyuss) | mix | Black Cat Bone, Juniors Jam, Portraits of Pain |
| Mathias Schneeberger | mix | Burial at Sea, Hot Rod |
| Artist name | Roles | Recordings |
|---|---|---|
| Scott Reeder (US bass player, formerly with Kyuss) | mix | Black Cat Bone, Juniors Jam, Portraits of Pain |
| Mathias Schneeberger | mix | Burial at Sea, Hot Rod |