Li Run is an author about whom limited public information is available; to date, two works are known under this name, touching on the essay and miscellaneous writing category as well as on film and music-related subjects. The representative work Gaze (Muguang) belongs to the essay and miscellaneous writing category and, judging from its title and classification, may unfold through personal observation, emotional experience, or reflections on life, showing the delicacy and inward quality common to essay writing. Black and White Keys in Chinese Style: A New Collection of Chinese Piano Works points to the selection and arrangement of piano pieces, with attention to how Chinese style is expressed on the piano, a Western instrument; the work thus carries a sense of bringing national musical idiom into keyboard practice. The two works span a considerable range, one leaning toward written expression and the other toward musical compilation and creation, suggesting that the author's interests are not confined to a single field. Because basic information such as dates of birth and death, nationality, and professional experience is absent from the in-house records, no speculation about the author's life is offered here; the brief note merely describes the direction and possible character of the existing works for readers' reference.