album_presenter.description.discover album_name=Sederunt Principes,, Deller Consort, London, artist_name=Perotinus Magnus, records_count=1, countries_count=0, countries=, media=10'', year_range=album_presenter.description.releases album_name=Sederunt Principes,, Deller Consort, London, artist_name=Perotinus Magnus, records_count=1, countries_count=0, countries=, media=10'', year_range=album_presenter.description.media album_name=Sederunt Principes,, Deller Consort, London, artist_name=Perotinus Magnus, records_count=1, countries_count=0, countries=, media=10'', year_range=