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Gloriaanonymous SourcesFoligno: Archivio di Stato (olim Biblioteca Comunale, Sala A), frammenti musicali, fol. B (2/2) (Tenor and Contratenor fragments only).EditionsFrench Sacred Music, edited by Giulio Cattin and Francesco Facchin, Monaco: Editions de l'Oiseau Lyre, 1992: Polyphonic Music of the Fourteenth Century Vol XXIIIB, A3.LiteratureLINDLEY, Mark. 'Pythagorean intonation and the rise of the triad', RMA Research Chronicle, 16 (1980), p. 38, example 17.   | 
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