China's traditional bamboo flute can be divided into which two kinds of...

Qu flute: accompanied by the Kunqu opera and named, also known as Ban flute, city flute or tie line (i.e., silk) flute, because of the abundance of production in Suzhou, so there is a "Su flute," the name. This kind of flute is mostly in the key of D or C or even B-flat, with a thick and long body. The tone is thick and soft, fresh and mellow. Widely popular in southern China, it is most suitable for solo or ensemble playing, and is one of the important musical instruments featured in the local music of Jiangnan Silk and Bamboo, Southern Jiangsu Blowing and Playing, Teochew Flute and Drums, as well as the opera music of Kunqu Opera etc.;

Bang flute: it is named because it accompanies the opera of Bang Opera. This kind of flute is usually divided into: F key bang flute, G key bang flute, A key bang flute. The body of the pipe is thinner and shorter than that of the flute. Tone high, bright, is blowing a high pitch with a flute, mainly popular in the north, mostly used in the north of the blowing songs, assessment of the opera and the clapper opera (Qinqiang, Hebei opera, Pu opera, etc.) accompaniment, can also be used for solo, rich in rich local flavor and local color.