If you buy the Complete Recordings soundtrack, there's in-depth analysis by the composer(s) of the themes, the thoughts behind them and so forth. (RotK Complete Recordings will be out soon!!)
I tried searching for Howard Shore ringtones on my phone, but nothing shows up. It's strange; it uses the same service as my brother's, but his shows all kinds of tunes. I search for "celtic woman" and all I get back is bikini wallpaper. And it's not the Celtic Women either!
