That's simple Soren.
I mean, can't you just hear the guy sayin'..."Sorry Officer, I didn't see him...OR hear 'em crash through my back window...because AC/DC was playin' on my car radio and I had it cranked WAY UP!!!
(...c'mon, I KNOW we've at least heard that FIRST PART said a few hundred times by cagers out there after a car/motorcycle crash anyway, RIGHT?!)
