After clicking the green flag the piece will play through once and then it will present to you a set of options. For practice you can listen to just the melody or the accompaniment and for both you can set an optional delayed start. Pressing Q will stop whatever is currently playing.
Ebenezer was written by Thomas John Williams and was first published in 1897. The accompaniment is mine and I am playing both parts on my violin. The floating bottle is actually relevant to the piece and if you are curious I’m hoping that you’ll look up that up and read about it.