Computer-aided composition in Max

Free and open source

bach is free and open source: it is licensed under the GPLv3 license, and hence you are free to use it in any GPLv3 project (contact us for commercial use). […]

Cross platform

bach is cross platform. Whether you’re running OSX or Windows, you can experience the full power of computer-aided composition.

Powerful data types

Even if you aren’t a fan of music notation, bach might still help you by adding two new data types to the Max environment: rational numbers and lllls (Lisp-like linked […]

Public API

Are you a Max externals programmer? You may be interested in the bach public API in the download page.

Advanced representations

bach implements both classical music notation and proportional music notation, with support for accidentals of arbitrary resolution, rhythmic trees and grace notes, polymetric notation, MusicXML, MIDI files and much more. […]