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How One Medieval Monk Fixed the Broken Octave - From the Enchiriadis to Guido d'Arezzo

Gregorian Chant Academy GREGORIAN CHANT ACADEMY · SEP 03, 2026

This YouTube video has 1 400 views and was published Sep 3, 2026 on Gregorian Chant Academy. That is 0.0x the channel's average views.