There are two bands under the name Utumno (which was the name of Morgoth's first stronghold in J. R. R. Tolkien's Middle Earth mythos):
1) Utumno was a death metal band which was formed in Västerås, Sweden in 1990 by Jonas Stålhammar on vocals (who was playing at that time also in God Macabre, and ex-Abhoth). Utumno recorded 2 demo's ("Desolation Domain" and "Twisted Emptiness", both in 1990). The second demo led to a record deal with the just activated Dutch Record label Cenotaph Records. The first release was the "The Light of Day" 7" e.

Read more about Utumno on Last.fm.