八角鼓,单面膜鸣乐器,因鼓身呈八角形,故而得名。(图一)该乐器除用于单弦的演唱伴奏以外,也被岔曲等其他曲艺形式以及八角鼓戏和一些民间歌舞所广泛使用。其形制多为鼓面蒙蟒、马或牛皮,木质边框,棱角处粘有兽骨片;鼓框各面均有一孔,每孔嵌有铜钹三片;鼓末端饰有一丝穗,其色或红、或黄、或黑、或蓝,也有的双色并用:鼓形扁平,鼓面通常直径17厘米,各边框长7.4厘米,宽4.7厘米。演员在演奏时,左手竖执鼓面,右手击鼓,或左手摇动鼓身使铜钹相碰而发声。其演奏技法,流派各异,但大致可分为撮、摇、轮、磕、弹、碰、垫等。八角鼓广泛流行于京、津、冀、东北三省及内蒙古等地区,以及云南大理、剑川等白族聚居地。其中白族的八角鼓主要用于民间祭祀仪式,其形制 Octagonal drums, single mask Ming musical instruments, octagonal drum, was named. In addition to being used as a solo performer, the instrument is also used by other folk art, such as the Forks, as well as the octagonal drums and some folk songs and dances. The shape of the drums are mostly made of python, horse or cowhide, wooden border, edges and corners stuck to the bones; drums have a hole on each side, each hole embedded cymbals three; drum end decorated with a silk spike, its color Or red, or yellow, or black, or blue, and some color and use: Drum flat, drum diameter is usually 17 cm, each frame length 7.4 cm, width 4.7 cm. When the performer plays, the left hand holds up the drumhead, the right hand drums, or the left hand rockers the drum to make the cymbal collide and sound. Its playing skills, different genres, but can be divided into summary, shake, wheel, knock, bomb, touch, pad and so on. Octagonal drum widely prevailed in Beijing, Tianjin, Hebei, three provinces in Northeast China and Inner Mongolia, as well as Yunnan Dali, Jianchuan Bai settlements. Among them, the Bai-style Bajiao Drum is mainly used for folk sacrificial ceremonies and its shape