| Artist name | Roles | Recordings |
|---|---|---|
| Dream Theater | ||
| Whitney Houston |
| Artist name | Roles | Recordings |
|---|---|---|
| Dream Theater | ||
| Whitney Houston |
| Artist name | Roles | Recordings |
|---|---|---|
| Dream Theater | vocal | Act II: Scene Eight: The Spirit Carries On, The Spirit Carries On |
| Whitney Houston | performer | How Will I Know |