何谓五弦?五弦即五根弦的琵琶,简称五弦。五弦在唐代极为流行,后来随着历史的变迁逐渐失传。在近年来发表的一些文章和有关辞条中,论及五弦时不外乎引用以下三种古代文献: (1)《通典·乐典》:“五弦琵琶稍小,盖北国所出。” (2)《旧唐书·音乐志》:“五弦琵琶,稍小,盖北国所出。” What is five strings? Five strings that is five strings of pipa, referred to as the five strings. Five strings in the Tang Dynasty is extremely popular, and later gradually disappear as history changes. In the articles and related articles published in recent years, there are no more than three ancient documents referring to the five strings: (1) Tongdian Musician: “The five-stringed pipa is slightly smaller and covers the northern part of China ”(2)“ Old Tang Music Book ”:“ The five-stringed pipa, slightly smaller, covers the northern part of China. ”