Question: who sings in walk hard the dewey cox story
[{'answer': 'John C. Reilly', 'provenance': [{'wikipedia_id': '9264215', 'title': 'Walk Hard: The Dewey Cox Story', 'start_paragraph_id': 1, 'start_character': 147, 'end_paragraph_id': 1, 'end_character': 161, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9264215', 'title': 'Walk Hard: The Dewey Cox Story', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4334049081846401606}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9264215', 'title': 'Walk Hard: The Dewey Cox Story', 'start_paragraph_id': 85, 'start_character': 0, 'end_paragraph_id': 85, 'end_character': 1072, 'bleu_score': 0.9760724046619881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4334049081846401606}, 'section': 'Section::::Soundtrack.\n'}]}, {'provenance': [{'wikipedia_id': '9264215', 'title': 'Walk Hard: The Dewey Cox Story', 'section': 'Section::::Production and development.\n', 'start_paragraph_id': 65, 'end_paragraph_id': 65, 'meta': {'evidence_span': ['John C. Reilly, who actually sings and plays guitar, was chosen to play the title role.', 'John C. Reilly, who actually sings and plays guitar, was chosen to play the title role. "We took the clichés of movie biopics and just had fun with them," Reilly said. The "deliberate miscasting" of celebrity cameos, such as Elvis Presley and The Beatles, was intended to enhance the comedy. The film\'s poster is a reference to the "young lion" photos of Jim Morrison. The film was praised by notable critics, including Roger Ebert (who gave the film 3 out of 4 stars), receiving 74% positive reviews at Rotten Tomatoes, classifying it as "', 'John C. Reilly, who actually sings and plays guitar, was chosen to play the title role. "We took the clichés of movie biopics and just had fun with them," Reilly said. The "deliberate miscasting" of celebrity cameos, such as Elvis Presley and The Beatles, was intended to enhance the comedy']}}]}]