MIDI.js

Converts and loads instrument soundfonts for realistic browser playback, with pre-rendered options available for quick setup, as seen in the related repositories like midi-js-soundfonts.

Parses standard MIDI files with full control over play, pause, resume, and stop via MIDI.Player.js, enabling complex musical sequences without low-level coding.

Includes note-to-color mapping libraries for creating audio-visual effects, demonstrated in demos like the Whitney MusicBox and Color Piano.

Leverages Tuna.js to apply real-time effects such as filters, chorus, and delay, with detailed configuration examples provided in the README.