It is actually driven by the vibration of the panel to drive the air vibration, and the bottom plate also participates in the vibration, and then forms a longitudinal swing together. Such a swing is the vibration of the piano body.
When the sound of the piano is correct, the sound is going down, and the sound going down must be a vertical vibration.
When it comes to the concept of "playing the violin is forbidden", in fact, there is also the concept of "the heart of the violinist" is also very important. Any music, using any method of playing, ultimately comes down to what it means to act on your mind.
Calm down your heart and settle in a good state of mind. This is the beauty and kindness that the guqin really wants to achieve. If the sound of the instrument is floating, it is not good for your meditation. If the sound is sinking, it will make it easy for you to sit down and listen, and the mind will gradually calm down.
Also related to this is the length of the piano. Three feet six inches five, it is an evolution of the concept of time and space. The thirteen emblems represent twelve months plus an intercalary month, which symbolizes the flow of time and space.
In fact, 3 feet 6 inches 5 is in line with the length of moderately stretched arms when a person is playing. This length is just right to allow you to maintain a rigorous and natural sitting posture, which is conducive to maintaining a good mentality of playing the piano. If the piano is designed to be longer, there is no problem at all, but the bouncing posture when playing is not in line with the aesthetic feeling of appreciating classical music.
Therefore, the instrument is a musical instrument with its basic structure and the performance function of the person you play.