What does
Some soundfiles from elvish-org:
http://elvish.org/gwaith/sounds/boyenselvish.zip
http://elvish.org/gwaith/sounds/boyenselvish4.zip
http://elvish.org/gwaith/sounds/official-elvish.zip
http://elvish.org/gwaith/bruinen.wav.zip
Here the dialogues from the film are downloadable (at least all those with the red head-symbol next to them)
http://elvish.org/gwaith/movie_elvish.htm
A while ago this soundfile by Tolkien was offered for download here
www.angelfire.com/ny/rachelstuff/tolkien_ipa.html
... but that page kinda disappeared
They also had it here
http://www.audioscrobbler.com/music/J.R.R.+Tolkien/_/%22Ai!+Laurie+Lantar...%22
But I cant find it anymore cry