load() {
			// First draw the music - this supplies an object that has a lot of information about how to create the synth.
			var visualObj = ABCJS.renderAbc("paper", abc, {
				responsive: "resize" })[0];

			// This object is the class that will contain the buffer
			var midiBuffer;

			var startChordsButton = document.querySelector(".play-chords");
			var startMelodiesButton = document.querySelector(".play-melodies");
			var startHarmonyButton = document.querySelector(".play-harmony");
			var startMelody