Question: popular styles of music in the middle ages
[{'answer': 'Gregorian chant', 'provenance': [{'wikipedia_id': '19956', 'title': 'Medieval music', 'start_paragraph_id': 1, 'start_character': 312, 'end_paragraph_id': 1, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'instrumental music', 'provenance': [{'wikipedia_id': '19956', 'title': 'Medieval music', 'start_paragraph_id': 1, 'start_character': 384, 'end_paragraph_id': 1, 'end_character': 402, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'choral music ( music for a group of singers )'}, {'answer': 'music that uses both voices and instruments ( typically with the instruments accompanying the voices )'}, {'provenance': [{'wikipedia_id': '19956', 'title': 'Medieval music', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 734, 'bleu_score': 0.6196025302546261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8012614634036070099}, 'section': 'Section::::Abstract.'}]}]