BBC - Howard Goodall's Story of Music (2013) Part 4 Age of Tragedy.

Howard Goodall traces the story of music from the ancient world to the modern day BBC2 has a late Christmas present for Goodall fans: six hours of him, charting the entire history of how the complex beast we now call music came to be. Every other modern presenter would fly around Europe at licence-payers’ expense to do links in lovely places — not Goodall. He stays in a sparse studio explaining why Protin, Guido of Arezzo and Dunstaple were great innovators and demonstrating triads on his keyboard. He thinks subject matter is more important than presentation. He’s right.

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