December 15, 2009 Power of the Pentatonic Scale by Hawthorn Mineart, under Brain Food, Funny Videos, Music, Technology World Science Festival 2009: Bobby McFerrin Demonstrates the Power of the Pentatonic Scale Leave a Reply Cancel reply Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.
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