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TODO
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	* Sound on Android/iOS working? Check various devices
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	* Add browser supports to the project
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	* Loading progress feedback example
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	* Document how to support from file://
		<script src="./soundfont/acoustic_grand_piano-ogg.js"></script>
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	* better on event listeners for MIDIPlayer, get inspiration from these?
		https://github.com/hhromic/midi-utils-js
		https://github.com/justinlatimer/node-midi
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	* add some docs on color music history: http://www.musanim.com/
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	* List of Developers who work w/ MIDI.js
		???
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