Rare find

PyTheory. Write and play music using music theory rules, no instrument needed.

pytheory.org

@kennethreitz

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Vaya's read on this project

Problem, audience, market, and the verdict — sign in to see it.

Updates

July 2026

Release —v0.57.13: Real oud voice for Maqam playback Jul 7
Add real oud synth voice; fix Maqam.play()/render() KeyError; release… Jul 7

June 2026

Release —v0.57.12: Tempo validation fixes Jun 30
Release v0.57.12 Jun 30
Release —v0.57.11: Tempo map import and legato synth fixes Jun 30
Release v0.57.11 Jun 30
Release —v0.57.10: Safer local tools and MIDI tempo export Jun 30
Release v0.57.10 Jun 30
docs: split plugin install example into two code blocks Jun 29
Fix upside-down ASCII guitar tab orientation; release 0.57.9 Jun 29
docs: place the two hero CTA buttons side by side Jun 28
docs: comprehensive refresh for v0.57.x + sphinx-design hero Jun 28
Release —v0.57.8: Live export crash + cabinet effect fixes Jun 22
Fix live export crash + cabinet dropped in two render paths; release … Jun 22
Release —v0.57.7: Lyrics in ABC export (notation gap closed) Jun 22
ABC export: emit lyrics as w: lines; release 0.57.7 Jun 22
Release —v0.57.6: Lyrics in LilyPond & MusicXML export Jun 22
Notation: export lyrics to LilyPond and MusicXML; release 0.57.6 Jun 22
Release —v0.57.5: MusicXML per-note velocity Jun 22
MusicXML: preserve per-note velocity as the dynamics attribute; relea… Jun 22
Release —v0.57.4: Notation export fidelity — held notes & articulations Jun 22
Notation: fix hold() bar misalignment + emit articulations; release 0… Jun 22
Release —v0.57.3: Two more MIDI/render data-loss fixes Jun 22
Fix two more silent MIDI/render data-loss holes; release 0.57.3 Jun 22
Release —v0.57.2: MIDI round-trip fixes + analyze song.mid Jun 22
MIDI round-trip fixes, analyze song.mid, more polish; release 0.57.2 Jun 22
Release —v0.57.1: Polish sweep — robustness & friendlier errors Jun 22
Polish sweep: robustness fixes & friendlier errors; release 0.57.1 Jun 22
fix(theory): nashville flat degrees + analyze() secondary-dominant la… Jun 22
Release —v0.57.0: 23 audited correctness fixes Jun 17