I've been using SRT (thanks!) along with these 2 sites: * Prelude: https://www.getprelude.net/#/sightReading?_k=wequj6 https://www.getprelude.net/#/sightReadin

I've been using SRT (thanks!) along with these 2 sites: * Prelude: https://www.getprelude.net/#/sightReading?_k=wequj6 https://www.getprelude.net/#/sightReading?_k=wequj6 (source: https://github.com/BHSPitMonkey/Prelude https://github.com/BHSPitMonkey/Prelude) * Sheet Music Tutor: http://www.sheetmusictutor.com/ http://www.sheetmusictutor.com/ (source: https://github.com/philippotto/piano-trainer https://github.com/philippotto/piano-trainer) Web MIDI is amazing.