As a pianist and an electronic musician, I never have any qualms about making music I can't play. This, however, is just ridiculous. The thing is, it's not at all hard to write a piano piece that's unplayable. Simply add a third note group far enough above or below the existing two note groups and it will be physically impossible to play (unless someone else helps you). It doesn't need to be a grotesque fountain of m…
It's not really 'unplayable' it's simply not playable by a single pianist at a single keyboard. It would entirely be possible to have 30 pianists at 30 keyboards playing these songs. The question then becomes, "Why?"
Why not? [/argument]
Not everything needs to be done for a practical reason; that's most art.