Most bowed and stringed instruments have piano skins, and the materials are mostly mahogany and other hard woods. Such instruments have a certain relationship with humidity. The wood of hard wood has a certain rigidity, high density, and fine wood. In a wet and dry environment with air conditioning and heating, the internal and external stress of the wood will not be balanced. At ...

When playing, sit in a sitting position, place the piano bar upright, place the piano barrel on the left leg, support the piano bar with the left hand, press the strings with the index finger, middle finger, ring finger, and little finger, and play with the right hand holding the ponytail bow dipped in rosin and sandwiched between the two strings. The chords are often tuned accord...