[Ramon] was always fascinated with pianos, and when he came across a few player piano rolls in an antique shop, a small kernel of a project idea was formed. He wondered if anyone had ever tried to ...

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 ...