<div id="piano1" class="keyboard 1">3</div>
$KEYBOARD_UI.init();

<div id="piano2" class="keyboard 0.5" align="center">2</div>
$KEYBOARD_UI.selectNotes("piano2", "E, G, A, C");

<div id="piano3" class="keyboard 0.5" align="center">3</div>
$KEYBOARD_UI.selectScale("piano3", 0, "C", 1);

<div id="piano4" class="keyboard 0.5" align="center">4</div>
$KEYBOARD_UI.selectScale("piano4", 7, "C", 1);

<div id="piano5" class="keyboard 0.5" align="center">5</div>
$KEYBOARD_UI.selectScale2("piano5", 14, "C", 2);

<div id="piano6" class="keyboard 1.2" align="right">2</div>
$KEYBOARD_UI.selectScale2("piano6", 21, "C", 0);

<div id="piano7" class="keyboard 0.45">7</div>
$KEYBOARD_UI.selectChord("piano7", "A#7", 3);

<div id="piano8" class="keyboard 1">2</div>
$KEYBOARD_UI.selectChord("piano8", "AbM7", 0);

<div id="piano9" class="keyboard .5">2</div>
$KEYBOARD_UI.selectNotes("piano9", "C, E, G, B, D", 0, "my legend");

<div id="piano10" class="keyboard .5">4</div>
$KEYBOARD_UI.selectNotes("piano10", "C, E, G, B, D, F#, A, C, E", 1, "with colors",
  ["red", "lightred", "blue", "lightblue", "green", "lightgreen", "orange", "gray"]);