| Artist name | Roles | Recordings |
|---|---|---|
| Harry Hickox | vocal | Overture / Rock Island / Iowa Stubborn |
| Robert Preston | vocal | Overture / Rock Island / Iowa Stubborn |
| Artist name | Roles | Recordings |
|---|---|---|
| Harry Hickox | vocal | Overture / Rock Island / Iowa Stubborn |
| Robert Preston | vocal | Overture / Rock Island / Iowa Stubborn |
| Artist name | Roles | Recordings |
|---|---|---|
| Harry Hickox | vocal | Overture / Rock Island / Iowa Stubborn |
| Robert Preston | vocal | Overture / Rock Island / Iowa Stubborn |