Credits

musictokeys is built on these open projects. Thank you.

Sound and notes

• Basic Pitch by Spotify: the model that turns audio into notes. Apache-2.0.
• TensorFlow.js: runs the model in your browser. Apache-2.0.
• SpessaSynth by spessasus: the soundfont synthesizer. Apache-2.0.
• FluidR3Mono GM soundfont: FluidR3 by Frank Wen, mono conversion by Michael Cowgill, adaptation by S. Christian Collins (MuseScore). MIT. License and notices.
• Tonal: chord names and music theory. MIT.
• @tonejs/midi: reading MIDI files. MIT.

App

• React, Zustand, idb-keyval, Vite and vite-plugin-pwa. MIT / Apache-2.0.
• Fonts: Bricolage Grotesque, DM Sans and Space Mono, via Google Fonts (SIL Open Font License).

Inspiration

The idea of a free, no-nonsense falling-notes piano trainer was inspired by Orfeo. musictokeys is a separate project with its own code.

Demo songs

The demo melodies (Beethoven, traditional) are in the public domain; the simple two-hand arrangements were written for musictokeys.