Words fail me.
I mean, I was only being slightly snarky when I dissed this guy's fast fingers.
But no, the above is not a parody a la Nigel Tufnel and Spinal Tap -- it's the apparently completely serious Michael Angelo Batio and his Quad Guitar.
I can only speculate that drugs are involved, either in the playing of the music or the enjoyment of it.
[h/t who am us anyway?]