Orchestrion

Second only to playing the piano.

You tap the rhythm — on a MIDI keyboard or the computer keyboard —
Orchestrion plays the notes.

Windowsinstaller (.msi) macOSsigned & notarized (.dmg) LinuxAppImage

Orchestrion is a desktop app for Windows, macOS and Linux.

Free & open source (GPL-3.0) · all releases

Orchestrion playing Chopin's Nocturne Op. 9 No. 2