"If You Come Back" (如若归来), performed by Sa Dingding, is a poignant ballad from the 2021 Chinese historical drama The Long Ballad , capturing the emotional journey of Li Changge's resilience, grief, and personal growth. The song, which features lyrics exploring themes of lost love and transformation, serves as a significant musical backdrop for the series, reflecting the character's journey from a quest for vengeance to one of protection. You can find the full lyrics at: SoundCloud YouTube Sa Dingding - If You Come Back (The Long Ballad OST P. 3)