The piano-cello Viola Organista: An instrument possibly NEVER HEARD before now. Designed by Da Vinci 500 years ago. http://www.youtube.com/watch?v=sv3py3Ap8_Y …
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The piano-cello Viola Organista: An instrument possibly NEVER HEARD before now. Designed by Da Vinci 500 years ago. http://www.youtube.com/watch?v=sv3py3Ap8_Y …