| Artist name | Roles | Recordings |
|---|---|---|
| Stephen Harrington (audio engineer, worked with Jim Perkins and Stephen Harrington) | engineer | Do It Like This, Grains, Number 3, Obstruction, Speed Bumps, Ten |
| Artist name | Roles | Recordings |
|---|---|---|
| Stephen Harrington (audio engineer, worked with Jim Perkins and Stephen Harrington) | engineer | Do It Like This, Grains, Number 3, Obstruction, Speed Bumps, Ten |