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 |  |  | Alma mater digna virgula; Ante thorum virginisThree-voice anonymous motet SourcesBerkeley (UK): Berkeley Castle Library, Muniments, Select Roll 55, number 1 (3/2).LiteratureLEFFERTS, Peter M. The Motet in England in the Fourteenth Century, Ann Arbor: UMI Research Press, 1986, p. 234.RecordingsGhirardello da Firenze, Ensemble Modo Antiquo (1992): Nuova Era 7151.  |  |  |  | 
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