Bobby McFerrin

Bobby McFerrin

The universality and innate nature of music, and the pentatonic scale, as demonstrated by singer Bobby McFerrin.
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    A flock of red-billed queleas (Quelea quelea), Etosha National Park, Namibia.
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    African colonization changed history—and the map.
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    An overview of the African slave trade, with a discussion of Zanzibar.
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    The distribution of the seven continents.