Atom is a “piano roll” sequencer for making music on iOS. A piano roll is named for the software used to run olde worlde player pianos. It’s a roll of paper with holes punched in it. As the roll moves ...

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 a ...

Strolling around a park, pedestrian zone, or tourist area in any bigger city is rarely complete without encountering the sound of a barrel organ — the perfect instrument if arm stamina and steady ...