Hanwen Lang and Yongxiang Lang 2026. Excerptability, Participatory Affordances, and Platformed Visibility: An Exploratory Case Study of Viral Music Circulation on Douyin. International Journal of Computer Information Systems and Industrial Management Applications. 18, 1 (Aug. 2026), 11. DOI:https://doi.org/10.70917/ijcisim-2026-3925.