I'm listening on my laptop which has crappy speakers. Ordinarily the sounds is pretty flat.
That lost song though had some weird rubbing type sound coming out of the right speaker. I don't know if it was intentional or just wear and tear on the master.
But I SWORE the sound was something rustling around in the other room! I finally had to turn the sound off to check. It almost sounded like my ceiling fan was rubbing or something.