| Artist name | Roles | Recordings |
|---|---|---|
| Harvey Schmidt | ||
| Astronote (French hip-hop producer) | producer | Special |
| Artist name | Roles | Recordings |
|---|---|---|
| Harvey Schmidt | ||
| Astronote (French hip-hop producer) | producer | Special |
| Artist name | Roles | Recordings |
|---|---|---|
| Astronote (French hip-hop producer) | producer | Special |
| Artist name | Roles | Recordings |
|---|---|---|
| Harvey Schmidt | performer | Metaphor, Much More, Round and Round, Soon It's Gonna Rain, They Were You, This Plum Is Too Ripe |