[RushIsMyTeddyBear]

Glad you posted this as I was just listening to the one out of Alberta.

I have heard something similar....but some time ago. Almost like a discordant angelic choir...not knowing from where the sound originated. Similar to this one:

http://www.youtube.com/watch?v=gtLNmdZTf_g&feature=player_embedded

[Future Snake Eater]

Oh. My. God. What the hell was that?

[PLMerite]

Someone just happens to have professional-grade video and audio equipment out in the woods. Not buying.