Yes you read that right, it is true.
I was searching musical names on wikipedia and it listed "lord of the rings". I was like "what". Searched, it's true. It's in London right now.
Here's the link to the official London site.
http://www.lotr.com/home/
They have a sample of one of the songs, and the music isn't bad at all. Couldn't find it on itunes though. Probably on itunes UK which we can't access or buy from.