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Basic Theory
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**How to Read Music**

.. raw:: html

	<iframe src="https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2FTEDEducation%2Fvideos%2F1125483490798189%2F&show_text=0&width=560" width="560" height="315" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowTransparency="true" allowFullScreen="true"></iframe>
	
My friend Phoebe Tam tells me about this video. I find this video can give an overview for those who do not understand muisc in 5 minutes. The following link is the original source.
https://www.facebook.com/TEDEducation/videos/1125483490798189/?comment_id=1125895014090370&notif_t=comment_mention


**Why It's Impossible to Tune a Piano**

.. raw:: html

	<iframe src="https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fviolinwoody%2Fvideos%2F537178823110988%2F&show_text=0&width=560" width="560" height="315" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowTransparency="true" allowFullScreen="true"></iframe>
	
The following link is the original source.
https://www.facebook.com/violinwoody/videos/537178823110988/