1984年12月16日,文化部邀清四十余名乐器制作家、音乐家、音响学家,在中国音乐学院第一教室,为该院副教授萧剑声改革伪“80型”大三弦,举行了技术鉴定会。萧剑声同志三十余年如一日,致力于三弦的改革,以及三弦独奏曲的创作和教材编写工作。老式大三弦以其音域之宽,音量之大,取音之自由,而为北方曲艺的许多曲种用作主要伴奏乐器;但其音色之粗涩而不通 December 16, 1984, the Ministry of Culture invited more than 40 musical instrument producers, musicians, acousticians, the first classroom in the China Conservatory of Music, for the hospital associate professor Xiao Jian Sheng reform pseudo “80” sons, was held Technical appraisal meeting. For more than thirty years, Comrade Xiao Jian Sheng devoted himself to the reform of Sanxian, as well as the creation of Sanxian solo songs and the compilation of teaching materials. The old-fashioned Sanxian is widely used as the main accompaniment instrument for many of the Northern Songs for its wide range of volume, loudness, and freedom of sound extraction; however, its soundlessness does not pass