Affects Version/s: NGS - Beta 2
Fix Version/s: NGS - Release Candidate 1
The following release has each disc DJ-mixed by a different artist:
http://musicbrainz.org/release/b210eb45-a680-47b8-8b9f-d7cd530dda3f.html - DJ-mixed by Judge Jules
http://musicbrainz.org/release/e1122580-e668-4f0b-a051-8bf986683032.html - DJ-mixed by Tall Paul
On test.musicbrainz.org, these ARs are both attached to the multi-disc release:
http://test.musicbrainz.org/release/b210eb45-a680-47b8-8b9f-d7cd530dda3f/relationships - DJ-mixed by Judge Jules + Tall Paul
The information that each DJ-mixed only one disc seems to be lost.