Segno Player ( https://github.com/segnomusic/segno-player ) is an open source web component that plays a MuseScore score's audio on its original engraved pages, with a marker on the bar being played and a cursor that follows the notes. This post covers why I built it, how it works and where it's heading. Background I have a hobby, or possibly a problem, of collecting sheet music for old public domain songs, mostly Swedish folk music and choral music. Some of it does get sung or ...