The harmonica, a musical instrument that everyone is familiar with, is a multi-reed instrument that blows or inhales through the mouth to make the metal reeds vibrate and sound. It belongs to a free reed playing instrument, which is mainly divided into solo harmonica and ensemble harmonica. As for the history of harmonica, the legend begins with 182 1, and a German Christian aged 16 applied for a European patent for his musical instrument, which is very similar to today's harmonica. Although the harmonica looks small, it is difficult to play, especially to maintain a stable pitch and semitone. For many people, the harmonica has many skills, strong playability and changeable sound effects.
Sanyu is one of the oldest musical instruments in China. As a very ancient playing instrument, it has a history of more than 7000 years. Initially, it may have been used by ancestors to imitate the sounds of birds and beasts to trap prey, and it has developed into a musical instrument at any time with the progress of civilization. In historical records, it is called "the voice of virtue". The urn is different in size, color, decoration and range, but this earthy instrument has a strong musical appeal. Among them, the Yellow River mud urn has become the symbol and carrier of the Yellow River culture. "God crushes clay figurines with mud, and also crushes this urn. If you chisel seven holes, you will have a soul, and if you chisel seven holes, you will have a charm."
I hope it helps you.