古琴 淡澹 老子 莊子 道家 徐谼 谿山琴況 冷仙 琴聲十六法 蘇璟 春草堂琴語 梅庵琴譜 極樂吟 Ku-Ch'in Dan Lao-tzu Chuang-tzu Taoism Hsu Hong His-shan's epithets on Ch'in music Su Ching Ch'un-ts'ao-t'ang-ch'in-pu Leng-hsien Ch'in-sheng-shih-liu-fa Sixteen rules for the tones of the Ch'in Mei'an ch'in-pu Ji Le Yin