2, flute: a hole, or several holes, both sides are connected. Such a simple structure is controlled by the cooperation of two hands and mouth. Therefore, it is necessary to have a certain concept of control and intonation to control it well, which was invented by modern musicians in the 1970s according to the structure of ancient bone flutes.
3. ukulele: it is a musical instrument suitable for adults and children. it is easy to learn and lovely, and can stimulate the rhythm potential. As long as you master a few chords and rhythms skillfully, you can easily play and sing most songs and get started quickly. Moreover, it is small and compact in appearance, fully meets the requirements of self-study, and is easy to understand and carry.