樂瑛女士，北京人氏，生於清廷鼎革之際（一九一一年，另說一九Ｏ四年），約於一九六Ｏ年代初逝世，是近代為數不多的女琴家之一。自幼，在京城開設有著名“樂家老藥店–同仁堂”的父親督教下，受到傳統文化的嚴格教育，少年時由其父延請京城著名琴家黃勉之的學生賈闊峰到家內授琴，盡得賈氏真傳，尤擅操奏《滄海龍吟》、《岳陽三醉》、《韋編三絕》等曲。樂氏琴風，指力蒼勁，按音堅實，吟猱得法，節奏靈巧，富於韻味，縱有成就，惜無傳人。在近現代北京琴壇上的影響，與管平湖齊名，分別為男女琴家的代表。新中國成立後，參加北京市業餘古琴研究會，與同好一起眾樂樂。
YUE Ying was born in 1911 (another saying, 1904) in Beijing and passed away around 1960 in Beijing. Since her childhood, she received Chines traditional education under her father who set up and ran the Beijing Tong Ren Tang Medicine Company. When she was young, she learned the qin under the famous master HUANG Mian-zhi’s student JIE Kuo-feng. She was skillful at playing the Crying of the Dragon in Deep Blue Sea, Soaring at the Lake Dongting, Hard Study of Confucius, etc. She was one of the few female qin players in the old days and was equally famous to the male qin player GUAN Ping-hu.