Albunack provides artist discographies by bringing together two of the largest music information databases MusicBrainz and Discogs. This information is stored on a dedicated server giving fast and reliable service, Albunack is used to power the SongKong and Jaikoz music tagger applications.
No releases could be found for John Callen (54a8c24a-8af3-4dd6-96bf-4603c00a49d8) where they are credited as the album artist.