Medieval Organum : The Birth of European Harmony feat. Pérotin

This video aims to be a comprehensive, introductory overview at how harmony arose within the Western European tradition from its roots in Early Organum, developping until it took the form that it has today. Sources: Organum Duplum aux 12ème et 13ème siècles, Alban Thomas, Organum, Encyclopedia Britannica, Performing Medieval Music, Part 2/3: Turning Monophony Into Polyphony: The Ancient Art of Organum: 00:00 Intro 02:45 Harmony before Medieval Europe? 08:05 Organum and the Rise of Harmony 11:26 What is transposing to a fourth/fifth? 16:41 The sound of basic Organum 18:45 Why Early Organum sounds strange to some 21:20 Why transpose only to the fourth and fiffh? 23:40 Drone Organum and Harmony 26:30 The vertical lines become independent 33:50 Written down notation b