一切經音義 22.393

22.393

一切樂器不鼓自鳴（皷字冝從支攴音普木普角二反經本有從皮者鍾皷字也）。

All musical instruments sounding spontaneously without being struck (The character 皷 should properly follow radical 攴, with the two fanqie pronunciations 普木 and 普角. The sūtra copies that have it following radical 皮 refer to the word for bells and drums).