tAttribute("style", "");
				startAllButton.setAttribute("style", "");
				stopAudioButton.setAttribute("style", "display:none;");
				if (midiBuffer)
					midiBuffer.stop();
			});
		}
	</script>
</head>
<body onload="load()">
  <header>
    <img src="https://paulrosen.github.io/abcjs/img/abcjs_comp_extended_08.svg" alt="abcjs logo">
    <h1>abcjs karaoke synth</h1>
  </header>
  <div class="container">
    <main>
      <div id="paper"></div>
      <div class="buttons">
        <button class="play-chords">