| Artist name | Roles | Recordings |
|---|---|---|
| Didier Lockwood | violin | Cloudy Mountain, Why Do You Do Things Like That? |
| Michel Petrucciani | piano | Why Do You Do Things Like That? |
| Artist name | Roles | Recordings |
|---|---|---|
| Jean-Michel Jarre | electric guitar | Chronology 2, Summer Presto |
| Nightmare | electric guitar | Spirits of the Sunset |
| Sonny Lester | performer | Rainmaker |