Here's the bargain music theory hands developers: take the circle of fifths — a 700-year-old chord-relationship diagram — rotate it slightly, replace the keys with numbers, and you get a tool that lets a 16-year-old DJ build a harmonic set without knowing what "fifth" means. That tool is the Cam...
Source: [Dev.to](https://dev.to/birrings/camelot-wheel-for-developers-harmonic-mixing-without-the-music-theory-phd-21i8)