1. Different shapes

1. Recorder: usually eight holes, it is a series of musical instruments. There are five types commonly used for playing, namely Sopranino, Soprano or Descant, Alto or Treble, Tenor and Bas.

2. Xiao: It is divided into hole flute and piano flute, both of which are single-tube and vertically blown, usually made of bamboo, with the blowing hole at the upper end. According to the number of "sound holes", it is divided into six-hole flute and eight-hole flute. The six-hole flute has five sound holes in the front and one in the back, while the eight-hole flute has seven sound holes in the front and one in the back. The eight-hole flute is a product of modern improvements.

2. Different timbres

1. Recorder: The timbre is pure and beautiful, soft and light. It is called "soft flute" and "flute like a bird singing". It can be blown with the strength of natural breathing, so that people can easily get beautiful music from the beginning.

2. Xiao: Can freely play portamentos, overdubbed tones, and beats, etc., but the sensitivity is far less than that of the flute. It is not suitable for playing unique techniques such as tongue and duplication, but is suitable for playing long and long flutes. , quiet and lyrical tunes, expressing quiet and elegant emotions.

3. Different origins

1. Recorder: It is a woodwind instrument with a long history in Europe. It has been used since the Middle Ages. It originated in Italy in the 15th century. It was popular in European countries in the eighteenth century. The recorder has a beautiful and mellow tone. It is an important wind instrument in Europe and a standard solo instrument in the Baroque era.

2. Xiao: Originated in China, its history can be traced back to ancient times. Chinese archeology shows that bone sounders dating back more than 7,000 years have been found among the unearthed cultural relics, which archaeologists call "bone whistles" (cultural relics unearthed in Hemudu, Zhejiang, now in the Zhejiang Museum).

These bone whistles are made from the middle limb bones of birds. Ancient people removed the marrow from the bones to form a hollow bone tube, and then punched holes in the wall of the tube. It is about 7 cm long, 6-8 mm in diameter, and slightly curved.

There are two or three holes on the convex arc surface, which can blow several sounds, thus forming a bone whistle. Although archaeologists call it a bone whistle, its shape, structure and sound production principle are basically the prototype of a musical instrument when compared with modern flutes and flutes.

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