I tracked this one down. It’s from the soundtrack to Avalon.
Could be the other track is, too.
I think it’s Elzbieta Towarnicka. I haven’t heard her yet, still looking. But she’s the soprano who sang track 3 of Avalon, and it’s 4:03 minutes long.
Go here and listen to the first .wav file. I think that’s certainly her. Anyone agree?
Well done. Click here and sample track III
I’m impressed. Thanks!!
Glad to help.
This just shows how freakishly obsessive I can be. I tend to try to disguise that aspect of my personality slightly better!
Definitely not any of the notable people already mentioned from the opera world. It’s not a voice or a piece of music I’m familiar with. I agree that at times the sound resembles that of a boy soprano, but the upper register is far too well focused and pliable to be a boy’s, and the presence of a gentle vibrato would also be very unusual for a boy - they usually can only muster a “straight” tone - so I am %90 certain it’s a woman’s voice, albeit a very quirky one. You can never be sure, though.
I can see why you’d think so. I’m not completely convinced, but it’s an awfully good guess. You may be on to something. I’d have to hear something with some lower register in it (that’s by far the more distinctive part of the OP’s sample) before I could say for sure it’s the same voice.
Heh. This’ll teach me to read to the end before responding to threads! Nice work, jsgoddess!
(and sorry for the triple post)
It’s a haunting, evocative, ethereal piece, but her vocal control isn’t exactly world class, though that might be the director’s objective. The vocalist sometimes seems right on the edge of losing it, and is no match for any of the sopranos or mezzo-sopranos I listed above.
Not to sound catty or anything … 
You did read your own cite, didn’t you?