The seven-hole bamboo flute was a bamboo flute first invented and used by Professor Liu Zhengguo of the Shanghai Normal University Conservatory of Music. However, musical instrument manufacturers in various places have not yet put into mass production, so in physical stores in Tianjin or Wuxi, Or you can’t find it in domestic online stores, especially the seven-hole bamboo flute in D key, but you can ask a manufacturer who knows the technology of seven-hole bamboo flute to customize it.
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For more than a hundred years since Western music spread to the East, traditional ethnic musical instruments have been facing the problem of changing their form, and there are many people who are diligently seeking it. During this period, although there were dozens of examples of bamboo flute reforms, none have been popularized so far. Expanding one's own expressive power is still an important proposition for the current development of bamboo flute art. Professor Liu Zhengguo of Shanghai Normal University removed the four basic sound holes at the tail of the traditional six-hole flute, opened a corner sound hole, and added a loose tail design. He invented the patented musical instrument "seven-hole flute" and added a variety of performance capabilities: the sound range increased by one octave; The system of using the tube sound as the angle creates a new tone and volume in each sound zone and adds a more primitive charm; based on the tube sound - that is, the corner sound - a variety of commonly used portamentos are added, etc. This simple but ingenious reform made the shape of the bamboo flute more primitive, while its expressive power was greatly expanded.
The nine-hole flute is also a bamboo flute first invented and used by Professor Liu Zhengguo.
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