法曲是唐代梨园所演奏的各种曲目。唐玄宗在开元初年成立了梨园,演习法曲,使法曲成为宫廷乐曲的一种重要形式,代表了唐代供奉于内廷的音乐精华。但是,法曲并不是一种单纯的乐种,它是从不同乐种中精选出来的清乐、雅乐、俗乐、胡乐、佛曲和道曲等多种音乐形式的集合体,而且这些乐种在法曲中是并列或相互独立的。法曲的来源兼包古今华夷,不以民族、地域为限,也不以时代或乐种为限。其中著名的曲子有:清乐渊源的《王昭君》和《玉树后庭花》等;胡乐渊源的《霓裳羽衣》(也有 Farfalle is a variety of tracks played by the pear garden in the Tang Dynasty. Emperor Xuanzong set up a pear orchard in the early New Century, and exercises Fa Song became an important form of court music, which represented the essence of the music dedicated to the Inner Court in the Tang Dynasty. However, it is not a mere musical genre. It is a collection of various musical forms such as Qingle, Yale, vulgar music, Hu Yue, Buddhist songs and Daqu selected from different kinds of music. And these musical instruments are juxtaposed or independent in Fa-rectification. Fa sources and both ancient and modern Hua Yi, not ethnic, geographical restrictions, nor the era or music species. One of the famous songs are: Qing Dynasty origins of “Wang Zhaojun” and “Yushu backyard flowers” and so on; Hu music origins of “Colorful clothes” (also have