How to distinguish the inner and outer strings of erhu and how many characteristics can you distinguish?

1. When the erhu holds the piano posture, the outer side is the outer string and the inner hairpin is the inner string.

2. If the strings are not on the piano, the erhu strings are a set, that is, when there are two strings, the thick one is the inner string and the thin one is the outer string.

3. Looking at it alone, the outer string is generally made of thin steel wire slightly thicker than the hair, which has a bright metallic luster; The inner chord is made of steel wire with the same thickness and is wrapped with a layer of alloy material. Although it should have metallic luster, the shoulders are not too bright and a little white, much like aluminum products.

4, listen to the sound, the pitch of the outer string is crisp and bright, and the inner string is deep and full.

Extended data:

Five conditions for the success of erhu performance.

1, the key of piano sound is to be touching, soft and pure, and the timbre should be diverse;

2. Love should be sincere, the sound of the piano is a reflection of the heart, and we should bring our understanding of the works and our understanding of life to the music we play;

3. The technique is exquisite and skillful, and the technology serves the content. Only vivid and natural, can we receive reasonable and unexpected results;

4. The player's image, which is accurate, natural, graceful and generous, including the posture of holding the piano, the method of playing the piano and the facial expression, must be integrated with the music played in order to be "audible and visible";

5, rhyme and rhyme, this is the highest level of requirements, rhyme should be accurate, authentic and simple.