TUTORIAL: How to write in Elvish. This is the most detailed and thorough I've seen. Also, check out a lovely book called "The Languages of Tolkien's Middle Earth". It explains elvish (Sindarian and Quenya), Dwarvish, and others. Written by Ruth S.
Elvish is one of the most beautiful languages I have ever heard. This is a recording if Tolkien reciting one of his poems in Elvish.<<This recording is amazing. I have not heard this much of the Elvish language spoken at once.