Hear the Earliest Known Piece of Polyphonic Music: This Composition, Dating Back to 900 AD, Changed Western Music
Hear the Earliest Known Piece of Polyphonic Music: This Composition, Dating Back to 900 AD, Changed Western MusicLike digging for fossils or panning for gold, the research process can be a tedious affair. But for any researcher, long days of searching and reading will eventually result in discovery. These are th...www.openculture.com