| Artist name | Roles | Recordings |
|---|---|---|
| Heaven Shall Burn | ||
| Sandeep (indian playback singer) | ||
| Ólafur Arnalds |
| Artist name | Roles | Recordings |
|---|---|---|
| Heaven Shall Burn | ||
| Sandeep (indian playback singer) | ||
| Ólafur Arnalds |
| Artist name | Roles | Recordings |
|---|---|---|
| Heaven Shall Burn | viola | Awoken (intro), Equinox |
| Sandeep | viola | Til hennar |
| Ólafur Arnalds | viola | Fok |