| Contact info | | | |
| Websites | | () | |
| General info : | | Finnish recording and mastering engineer who owns the studio Sundi Coop in Savonlinna, Finland. | |
| Source : | | Tuomo Valtonen @ Discogs (www.discogs.com/artist/259950-Tuomo-Valtonen) | |
| Relations : | | : | |
| Copied Wikipedia parts under license : | | | |