Biwas in the Tang period had almost the same shape as those of present Japanese Gakubiwa Instruments, and musical theory was developed, many tuning systems were defined, musical notation was also established, and the instrument was played in various concerts, ensembles, solo, accompaniment for singing and became very popular from court music to folk music.
唐時代の琵琶は現在の日本の楽琵琶とほぼ同じ形をしており、音楽理論が整備される中で、調弦法も多数定められ、様々な合奏にも用いられ、記譜法も確立し、宮廷音楽から民間音楽まで、合奏、独奏、歌唱の伴奏と広く愛好された。