Question: The score for "To Gillian on Her 37th Birthday" was composed by James Horner, known for his frequent motifs associated with what kind of traditional music?
{'answer': 'Celtic music', 'supporting_facts': [['To Gillian on Her 37th Birthday', 0], ['To Gillian on Her 37th Birthday', 1], ['James Horner', 0], ['James Horner', 1]]}