Zi Collection, Page Position: Upper, Radical: Jade (yù), Page 15, Entry 09. Pronounced qie (falling tone) — Yupian (Yùpiān). Pronounced ca (rising tone) — Guangyun (Guǎngyùn). Similar to the sound "cai". Explanation: The sound of a drum — Yupian (Yùpiān). "Tapping the edge of a drum is called la" — Jiao Hong's Miscellaneous Usages in Common Speech (Jiāo Hóng · Sú Yòng Zá Zì).