Question: who sings the songs for the greatest showman
[{'answer': 'Hugh Jackman', 'provenance': [{'wikipedia_id': '55648522', 'title': 'The Greatest Showman: Original Motion Picture Soundtrack', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Live performances.\n'}]}, {'answer': 'Keala Settle', 'provenance': [{'wikipedia_id': '55648522', 'title': 'The Greatest Showman: Original Motion Picture Soundtrack', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Live performances.\n'}]}, {'answer': 'Zac Efron'}, {'answer': 'Zendaya'}, {'answer': 'Ziv Zaifman'}, {'answer': 'Michelle Williams'}, {'answer': 'Austyn Johnson'}, {'answer': 'Cameron Seely'}, {'answer': 'Daniel Everidge'}, {'answer': 'Loren Allred', 'provenance': [{'wikipedia_id': '55648522', 'title': 'The Greatest Showman: Original Motion Picture Soundtrack', 'start_paragraph_id': 13, 'start_character': 244, 'end_paragraph_id': 13, 'end_character': 256, 'bleu_score': 1.0, 'section': 'Section::::Live performances.\n'}]}]