Show HN: XY Music Notation

By jmole · 2026-10-13 · 26 points · 21 comments

https://music.xy.dev/

I've been playing around with a new kind of isomorphic music keyboard that uses a base-12 notation, and wanted some sheet music to learn some new music for it. The idea is to represent each note in 12-TET as a number, so N ∈ (0,1,2,3,4,5,6,7,8,9,X,Y). I used codex to build a mus…

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