Non DAW Studio VS Composer's Sketchpad

Might this be what you're looking for? Specifically Non-Mixer: https://non.tuxfamily.org/. Source: 5 months ago

I would also add Non DAW. Great example of modular design, extremely lightweight, non-destructive editing. The session files of Non Timeline are also comfortable and fun to parse or even modify with sed/awk etc scripts. http://non.tuxfamily.org/. - Source: Hacker News / about 1 year ago

Are the sessions by any chance stored as plain text files? What's the session format like? I used Non DAW [1] quite a bit to edit radio shows, and I loved its session format: each and every editing step is written in the file as a single-line entry. As a result, the sessions were really fun to parse and modify with awk scripts. The "unlimited undo" feature was also just recorded lines in a text file. Most... - Source: Hacker News / almost 2 years ago

In case anyone is interested, I played around with a novel musical notation paradigm a few years ago in the form of an iPad app: http://composerssketchpad.com Basically, you draw pitches directly on a horizontally-infinite canvas. By default, pitches stick to equal temperament gridlines, but you can turn off this snapping if you want to (for example) play around with a different tuning or annotate a bendy guitar... - Source: Hacker News / 4 months ago