For Hacklily, it turns out that the audio is rendered clientside via https://github.com/hacklily/hackmidi https://github.com/hacklily/hackmidi Caching sheet mu

For Hacklily, it turns out that the audio is rendered clientside via https://github.com/hacklily/hackmidi https://github.com/hacklily/hackmidi Caching sheet music rendering is a hard problem. For example, a note later in the score can affect the spacing of notes before it.