Title as it appears on the manuscript: 楚雄洞经音乐.
Transliterated title: Chuxiong dong jing yin yue.
Digital images of [Chuxiong dong jing yin yue], a booklet of Dongjing music scores in jianpu notation, from Chuxiong County. The booklet is dated 1984, and attributed to Daohong Yi and Su Yan.