Cavaquinho Hero is a music theory tool designed to help musicians understand chords, scales, and harmonic fields.
Generate triads and tetrads for any note
Explore major and minor harmonic fields
Learn about progressions and secondary dominants
Visualize chords on the cavaquinho fretboard
Discover substitutions like SubV and preparatory diminished chords
This project was built to run without a backend and host for free on GitHub.