I'm not one to throw f-bombs around but this one definitely puts a capital F in wtF. Not that it's horrible, just completely unexpected. So I thought I'd give you a chance to brace yourself before the big reveal.
Ever wonder what would happen if ABBA merged with Van Halen? Of course you didn't. Who would? But the result might be surprising ... in a good way.
I've seen many a mashup on YouTube and most of them suffer from splicing and intonation issues in the audio. This one is nearly seamless.
Make sure you fully swallow that last sip of coffee or whatever you're drinking before we get started. I assume no responsibility for spatter on your viewing screen.