Carcharoth (Germany) is a two-piece black metal band whose albums are centered around Tolkien themes on the first album and later around space. Current line-up:
Xar - Vocals, additional Instruments
Draug - Guitar, Bass Additional notes:
Carcharoth's "Tolkien-works" are written in the speech of Quenya and Sindarin. Their last EP and album is available here:
http://blogs.myspace.com/index.cfm?fuseaction=blog.view&friendId=368647459&blogId=465192480

Read more about Carcharoth Λ.V. on Last.fm.