DHHU <http://dhhu.dk/> (or "Danske Hip Hop Udgivelser" - "Danish hip hop releases") is the first (and as far as I'm aware: only) Danish hip hop wikisite covering Danish hip hop releases.

The site is run and founded by a Danish hip hop DJ and has (or has had at least) broad support from the Danish hip hop community, which has led to almost all all Danish hip hop releases up until about a year ago can be found on the site, most of them with near complete production credits etc.

I've previously added DHHU links to artists as "discography" sites, but after discussing it on IRC, realised that it is more appropriately linked as an "Other Music Database".

They list releases separately, so the relationship will be directly against releases and not release groups. See e.g. Al Agami's entry:
http://www.dhhu.dk/w/Al_Agami - note how "Deep Undercover" is listed separately for 7", 12", 12" promo, and CD single.

Entries should be normalised as "http://www.dhhu.dk/w/

" and relationships should apply to artists and releases.