MUSI 2100 Lecture Notes - Lecture 8: Organum, Contrapuntal Motion, Gautier De Coincy
26 May 2016
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Document Summary
Organum" = first notated polyphonic music (organa = plural form) Voices singing in harmony show a resemblance to the instrument that is called the organ . 9th century musical examples of organa are purely theoretical. New melody added above or below an old chant. Super librum singing = on top of the book singing: began as an oral practice as early as the 9th century. Types of organum in the 9th century: 2-voice parallel organum, 4-voice parallel organum, 2-voice organum with parallel and oblique motion. Vox principalis (above) original plainchant melody = principal voice. Vox organalis (below) added melody (trope) = organal voice. One or more voices of the vox organalis or vox principalis are doubled. Intervals for organum in guido of arezzo"s micrologus (11th c) 4ths, 3rds, 2nds, occurusus (unison at end of phrase) Unison at beginning and end (occursus) of phrase. John cotton"s de musica: choice and creativity are possible.
