The four strings of the violin are G string (bass string), D string (alto string), A string (alto string) and E string (treble string). The details are as follows:

1. G string: G string is the lowest sound and the largest amplitude of the four strings of the violin. Its sound name is G and its pitch is 52. Hz. G strings are usually used in background music or bass parts. D-string: D-string is the second lowest sound among the four strings of the violin. Its sound name is D and its pitch is 73.99 Hz. D-string is usually used in the midrange part, which can produce clear and bright timbre.

2. A-string: A-string is the third lowest sound among the four strings of violin, and its sound name is A, and its pitch is 95.99 Hz. A string is usually used in the middle and high notes, which can produce soft and sweet timbre. Compared with D-string, A-string needs less strength and pressure, so it is necessary to pay attention to the flexibility of fingers and the stability of the bow when playing. The timbre of A string is usually warmer.

4. E-string: E-string is the highest sound among the four violin strings, and its sound name is E, with a pitch of 117.55 Hz. E-string is usually used in high-pitched or solo parts, which can produce clear and sharp timbre. The strength and pressure of E string are relatively small, so it is necessary to pay attention to the flexibility of fingers and the speed control of bow transport when playing. The timbre of E string is usually bright.

Skills of playing the violin

1. Hold the violin correctly: First of all, you need to hold the violin correctly. To put the piano on the left clavicle, hold the piano with your chin and chin, hold the neck with your left hand and hold the bow with your right hand. When playing the piano, you should pay attention to relaxing the muscles of your shoulders and upper body and keep your body balanced. Finger adjustment: Finger is a very important part in violin playing. Correct finger posture can improve the accuracy and speed of playing.

2. Master the bow: Bowing is one of the core skills in violin playing. It is necessary to master the correct basic bow methods, including full bow, divided bow, bowing and jumping. In the process of playing, we should pay attention to the uniformity of force and the control of speed, so as to keep the bow stable and the sound clear. Practice scales: scales are the basis of violin playing. Practicing scales can improve the flexibility of fingers and the accuracy of playing.

3. Listening to music: The violin is a very expressive instrument. If you want to play the violin well, you need to learn to listen to your own performance and music. In the process of practice, we should pay attention to the problems of intonation and rhythm. Practice repertoire: By practicing repertoire, violin playing skills and expressive force can be improved. Pay attention to the match between the difficulty and your own level when choosing tracks, and gradually challenge yourself from easy to difficult.