Along with Dubbhism, Salon and many others, I wanted to echo my appreciation of one of Vi Hart's latest videos Twelve Tones.
Not only is this one of the most brilliant, witty and creative things in recent memory, her entire channel is simply one of the best on YouTube.
Prepare to be completely amazed starting at around 21:24 by the vocal harmonizations, which are quite frankly breathtakingly beautiful.
Also worth checking out are her great videos on phyllotaxis:
And of course, her amazing...
For what it may be worth, she would have to rank among the top of my list of favorite artists that I would like to hear explore alternative intonations - aka - xenharmonics and microtonality.