v0.0.11
https://littleflute.github.io/music/
blApp.js - blApp.js*
<script src="https://www.w3schools.com/lib/w3.js"></script>
<script src="https://littleflute.github.io/vc6/XdHtml/blclass.js" type="text/javascript"></script>
<script src="blApp.js"></script>