| Artist name | Roles | Recordings |
|---|---|---|
| Erica Goodman (Canadian harpist) | harp | And Then I Knew 'Twas Wind |
| Robert Aitken | flute | And Then I Knew 'Twas Wind |
| Steven Dann | viola | And Then I Knew 'Twas Wind |
| Artist name | Roles | Recordings |
|---|---|---|
| Pulsar | producer | Apaisement, Le Cheval De Syllogie, Pollen, Pulsar, Puzzle / Omen |