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 ...

The remark scribbled at the end of the production sheet said simply, "End of era." It was written shortly after the last piano roll came off the assembly line at QRS Music Technologies, 1026 Niagara ...