| Artist name | Roles | Recordings |
|---|---|---|
| Dean Clark | vocal | Scales and Arpeggios |
| Gary Dubin | vocal | Scales and Arpeggios |
| Liz English | vocal | Scales and Arpeggios |
| Robie Lester | vocal | Scales and Arpeggios |
| Artist name | Roles | Recordings |
|---|---|---|
| Dean Clark | vocal | Scales and Arpeggios |
| Gary Dubin | vocal | Scales and Arpeggios |
| Liz English | vocal | Scales and Arpeggios |
| Robie Lester | vocal | Scales and Arpeggios |
| Artist name | Roles | Recordings |
|---|---|---|
| Dean Clark | vocal | Scales and Arpeggios |
| Gary Dubin | vocal | Scales and Arpeggios |
| Liz English | vocal | Scales and Arpeggios |
| Robie Lester | vocal | Scales and Arpeggios |