| Artist name | Roles | Recordings |
|---|---|---|
| Automatic Sound Unlimited | ||
| Billy Earheart |
| Artist name | Roles | Recordings |
|---|---|---|
| Automatic Sound Unlimited | ||
| Billy Earheart |
| Artist name | Roles | Recordings |
|---|---|---|
| Automatic Sound Unlimited | vocal | Lõbus talupoeg: Liisi ja Jukukese duett |
| Billy Earheart | vocal | Ruslan ja Ludmilla: Gorislava aaria |