Use murdos's "Import Discogs releases to MusicBrainz" script from http://userscripts.org/scripts/show/36376
Go to http://www.discogs.com/Various-100-Tubes-Dance-2010/release/2488476
Click "Import into MB"
Set release artist and label.
Click straight to "Edit Note" tab or "Add Missing Entities"
>>> Gateway Timeout
The workaround appears to be to use the advanced tracklist editor to search for and select all the artists first.