I've never heard this Sound. I still only hear the beeping,(reply>), @Liam Kennedy Interesting, seems like most people that haven't heard it before are from the US. If you're wondering, I'm from Australia. You guys have some amazing countryside and cool old buildings over there; I'd love to visit one day!,(reply>), @David H nope, im from Lancashire my friend,(reply>), You'd be from the US, right?