Xu Collection, Upper Volume Radical: Metal (jīn) Entry: Tang Page 1320, Entry 04 Tang Yun: Pronounced tang Jiyun, Yunhui, and Zhengyun: Pronounced tang Shuowen: The sound of bells and drums Book of Odes (Shijing), Odes of Bei (Beifeng): Striking the drums with a tang sound Commentary: Tang-ran, the sound of striking drums Also written in a variant form (dang) Zhi Yu, Si You Fu: Dang-xi, recognizing the old dwelling Also written in a variant form (chang) Sima Fa: The sound of the drum should not exceed chang Guangyun: To pierce objects with iron