The May issue of ‘French Primere’ Magazine had a small tidbit on LOTR when they had an interview with Cate Blanchett (Galadriel).
Unfortunately, (Cate) was not allowed to tell us much about her month long adventure in New Zealand filming ‘Lord of the Rings’. Due to her loyalty to the production, as well as a clause in her contract forbidding her to do so.
‘There are so many creatures in LOTR, due to Tolkiens wild imagination, that speak a number of languages. Galadriel, speaks the language of the Elves, and we found many ways to get that in the film, we made it seem very natural’