盛极一时的十二弦筝,到了隋唐已逐渐衰落。唐时,仅保留在清乐中,而相传之清乐,朝廷甚不重视,当时的情况,根据唐杜佑《通典》载文说:“工伎转缺,能合管弦者,唯春江花月夜等八曲。”几乎处于淘汰状态,取而代之则是十三弦筝的兴起。十三弦筝最早的文字记载,见之于《隋书·音乐志》。该书记载了隋朝雅乐用十三弦筝之情况。十二弦与十三弦虽一弦之增,但有很大的实用价值。唐时传入日本的十三弦筝,其定弦方法,林谦三根据《仁智要录》《调子品》等书考证,认为是以“宫征羽宫商角征羽宫商角征羽”或“征宫商角征羽宫商角征羽宫商”等的排列。这新增的第十三弦第十二弦成为五度或四度关系,其目的在于加强“宫征”两 Twelve kites of the moment, which have flourished for a while, have gradually declined in the Sui and Tang dynasties. When the Tang Dynasty, only retained in the Qing-lok, while the legendary Qingle, the court did not attach importance to the situation at that time, according to Tang Duyou, “Tongdian,” an article said: “The lack of work tricks, Moonlight and other eight songs. ”Almost out of phase, replaced by the rise of the thirteen kite. The earliest records of the thirteen kite, see the “Sui Shu music.” The book records the Sui Dynasty elegant music with thirteen kites situation. Twelve strings and thirteen strings, though a string of increase, but a great practical value. When the Tang Dynasty introduced into Japan’s thirteen kite, its method of setting string, Lin Qian three according to “benevolent mind to record” “tune” and other textual research, that is based on “ Or ”conscription palace business corner sign feather business corner levy palace business“ and so on. The addition of the twelfth string of the thirteenth string becomes a five-degree or four-degree relationship, the purpose of which is to reinforce the ”