album_presenter.description.discover album_name=Polyphonic Masses Of The Ars Nova: Excerpts From The Apt Manuscript, Music Of Florentine Masters, artist_name=Ensemble Vocal Guillaume Dufay, records_count=1, countries_count=1, countries=France, media=LP, year_range=1976album_presenter.description.releases album_name=Polyphonic Masses Of The Ars Nova: Excerpts From The Apt Manuscript, Music Of Florentine Masters, artist_name=Ensemble Vocal Guillaume Dufay, records_count=1, countries_count=1, countries=France, media=LP, year_range=1976album_presenter.description.countries album_name=Polyphonic Masses Of The Ars Nova: Excerpts From The Apt Manuscript, Music Of Florentine Masters, artist_name=Ensemble Vocal Guillaume Dufay, records_count=1, countries_count=1, countries=France, media=LP, year_range=1976album_presenter.description.media album_name=Polyphonic Masses Of The Ars Nova: Excerpts From The Apt Manuscript, Music Of Florentine Masters, artist_name=Ensemble Vocal Guillaume Dufay, records_count=1, countries_count=1, countries=France, media=LP, year_range=1976