三弦是我国历史悠久、流传甚广的弹拨乐器。柄很长,音箱方形,两面蒙皮,弦三根,侧抱于怀演奏。一、三弦的构造与音乐形式首先,三弦是皮膜(琴鼓蒙蟒皮)弹拨乐器,使其音质粗犷、浑厚而响亮,极具特色;第二也是最关键的,三弦无品(这在我国弹拨乐器中较为罕见)且颈长(音域宽广),这一设计几乎催化出三弦演奏技术(左手)的全部内涵和特点。也正是这一形制上的独特设计,使三弦得以成为更能表现中国民族传统音乐“音腔”特色的 Sanxian is China’s long history, widespread plucked instruments. Handle is very long, the speaker square, both sides of skin, three strings, side hug in the arms playing. First, the construction of the three strings and the form of music First, the three strings is the membrane (drums Mang Python skin) plucked instruments, so that its sound quality is rough, vigorous and loud, very distinctive; the second is the most crucial, Sanxian Wupin (which in our country Plucked instruments are more rare) and the neck length (wide range), this design almost catalyzed three-stringed playing technique (left hand) all the content and characteristics. It is also the unique design of this form that has allowed Sanxian to become more characteristic of the more traditional Chinese music “soundtracks”