Question: what's it called when you change the lyrics of a song
[{'answer': 'A mondegreen', 'provenance': [{'wikipedia_id': '20038', 'title': 'Mondegreen', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20038', 'title': 'Mondegreen', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 511, 'bleu_score': 0.918364920477113, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2878686565855877087}, 'section': 'Section::::Abstract.'}]}]