Ganesha Games says: "It's the theme song from the new Studio Ghibli feature anime. I never thought Japanese sung with a French accent would be so sweet."
I'll look forward to the movie (which title is it?), Studio Ghibli films are usually very good.
I love My Neighbour Totoro and Kiki's Delivery Service. For some reason Spirited Away didn't really do it for me. Princess Mononoke was great visually, but it didn't really stick with me. Whisper of the Heart and Howl's Moving Castle were good.