Player pianos work via a vacuum, where air is sucked through a few pin points in a piano roll with a bellows. A series of pipes leading to each key translate these small holes into notes.
A while back, [Jacob] played around with a player piano. After feeding a roll into the machine and trying to figure out how a fifty year old machine using hundred year old technology can replicate ...
Jelly Roll really needed a favor from the starter at the WM Phoenix Open pro-am on Wednesday, but he wasn't about to get it. Tee times, of course, aren't written in pencil but rather etched in pen ...