RunJS Blog company blog

Music Theory for Programmers

by @lukehaas runjs.app published 2026-08-17

I can't play an instrument, so I worked out music theory in JavaScript instead. Twelve notes, scales and chords, derived from scratch with code you can hear.

Points

404

HN comments

249

Submissions

1

Cited by

0 commenters

Software EngineeringLife, Learning & Writing2026

Related posts from the same era

Ghostty is leaving GitHub

Mitchell Hashimoto20263,521 points1,051 commentscited by 3 details

Astra can read and write weights to improve Qwen

RRikiya Takehi20262,957 points898 comments details

Git commands I run before reading any code

Principal Software Engineer & Codebase Rescue20262,338 points509 comments details

Uv is the best thing to happen to the Python ecosystem in a decade

Dr. Emily L. Hunt20252,214 points1,324 comments details

Anthropic acquires Bun

Bun Blog20252,192 points1,072 commentscited by 7 details

Zed 1.0

Zed Blog20262,153 points690 comments details