This is not OK.
When we say that the Harry Potter theme gets a murder version, what we mean is that the theme for Harry Potter has been changed to sounds like a score for a horror movie!
Slowed down to 800%, it'll give you nightmares!
The best part? It's over 40 minutes long — which is plenty of time to refuel your nightmares for a loooOOOooooong time! LOLz!!
Seriously though, slowing famous songs down this much is a really clever idea! We wonder if there are any out there that actually sound hauntingly beautiful, instead of hauntingly murderous!