This is the same guy who wrote 4'33", the silent piece.
I kinda get that -- the 40000 Hz podcast gave it some good context:
https://podcasts.apple.com/fr/podcast/433-by-john-cage-twent...
Maybe they'll also explain the point of this. The piece is called "As Slow As Possible", but it's not as slow as possible. The slowest possible piece would have a fermata with an infinity sign over the first note, and that's it. Maybe the rest of it would be a jaunty little tune that would never be played in context. ("Shave and a haircut", perhaps?)
As a stunt, it's moderately interesting. How do you set up a contraption to play for hundreds of years? How do you maintain it without interrupting the performance? But it's less interesting than the 10,000 year clock.
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