萤火虫 (《玉骨遥》电视剧配乐) is a melancholic, low-energy track by 许昊珂 from 玉骨遥 影视原声专辑, released July 10, 2023. It runs 2:03 at 100 テンポ (200 テンポ double-time) in D Minor (Camelot 7A).

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