葫芦丝是由哪些部分构成的?

2025-03-15 14:37:02
推荐回答(1个)
回答(1):

先秦葫芦丝的主管已开有7个音孔,与后世箫笛非常近似,又显示出它在历史上巨大飞跃。在先秦时期,傣族人们用半截小葫芦作为音箱,以3根长短不一的竹管并排插在葫芦竹管下端,嵌有铜质筑片,中间较长的一根竹管开七孔。人们在吹奏时,口吹葫芦细端,指按中间竹管的音孔,在奏出旋律同时,左右两根竹管同时发出固定单音,与旋律构成和音。先秦傣族的葫芦丝可分为高、中、低音3种类型,音乐轻柔细腻,圆润质朴,极富表现力,深受先秦人民的喜爱。

先秦葫芦丝主要由主管、簧片、附管、葫芦四大部分构成。其中主管是旋律管,开有多个按音孔。傣族旧式主管上开有6个按音孔,形制是前5后1,非常适合吹奏傣族民歌小调。后来,先秦人们在传统葫芦丝的基础上进行了改良,改进的葫芦丝主管上面开有7个按音孔,形制是前6后1,可发9个全孔音及8个半孔音,也可以发出组合孔音,主管背面下方还有一个出音孔和两个穿绳孔。先秦葫芦丝的簧片是发声部件,通常安装在竹管一端,其簧舌形状为等腰三角形和长方形两种,材料以铜质为主。附管是辅助发音管,常见的为一附管发一单音,高音附管。还有,葫芦丝主管第五孔音,低音附管发主管第一孔音或主管第三孔音两者任选。一般葫芦丝只有一个高音附管,附管和主管有机配合可以使其音乐更具活力,附管音孔,按住时附管不发音,打开时附管发音。先秦葫芦丝的葫芦起漏斗作用,气流通过葫芦传递到主管和附管里面。葫芦丝所用的葫芦品种繁多,全国各地均有种植,形状以亚葫芦为佳。

葫芦丝的卡子主要作用是起到葫芦丝构造上的稳定,使附管与主管牢牢捆在一起。主管尾塞起到的作用是使低音区的发音更加圆润。

此外,葫芦丝还有个拆卸功能托,其主要作用是起到葫芦与竹管有机结合,竹管牢牢插入葫芦内,使其密封、不漏气。由于此托的改进,竹管可以不用粘死在葫芦上,起到随时拆卸,进行簧片调整的作用。

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