Everyone can rub rosin, but it is not necessarily a problem that everyone can rub rosin well. How to rub rosin on an erhu bow? Today, I have sorted out the methods of using erhu rosin for you, hoping to help you.

How to use Erhu Rosin

"Heavy rubbing and light rubbing". The so-called "heavy rubbing" does not mean rubbing with gravity, but requires focusing on rubbing. In fact, it is still rubbing with force and lightly. It is the pressure applied to the bow hair by holding the rosin, and the pressure applied to the bow hair when rubbing the rosin should be lightened appropriately.

"End to end". The so-called "to the end", every time you rub the rosin, you must wipe it to the tip and the root of the bow; "to the side", rub the rosin to the inside and outside (up and down), left and right of the bow hair. Generally, rubbing the inside and outside (up and down) can basically involve When it reaches left and right, but it is not enough, it should be wiped left and right.

"First full rub". The first time a new bow is rubbed with rosin, it must be fully rubbed once. Because it is laborious and time-consuming to apply rosin for the first time, it is common that some people use tools to grind (or hammer) the rosin into powder, and then sprinkle or smear or accompany it on the bow hair. Hanging incense and dirty, this is very unscientific and not advisable.

"Wipe cleanly". Erhu Qin bow rosin should be rubbed frequently, usually once every 2-3 hours, or once according to the reduced frictional force of the bow hair, and it is enough to rub the rosin a few times from the beginning to the end every time. Every time the rosin is rubbed, the force must be uniform, the arm holding the rosin can run easily and smoothly, and the rosin shall be rotated continuously to make it evenly rub the bow hair, so that the surface of the rosin will not be ground into ravines. Thin and uniform. This can effectively ensure that the rosin powder absorbed by the bow hair of the entire bow is uniform, and the friction force of the bow hair is uniform, so as to ensure that the entire bow is sounded normally during the whole playing process, and there will be no inconsistency in the sound of the bow. Uniform phenomenon, improve and ensure the stability of the feel of the bow and the stability of the control force.

The role of erhu rosin

Erhu is a kind of musical instrument with rubbing strings. If there is no rosin, then the erhu will not make a sound. The strength of the rosin on the sound of the erhu can make the erhu produce a round and vivid sound quality and how can the power be better transmitted, etc. , all play a major role. Whether the rosin can be rubbed well, for players, especially beginners, in a sense, will even affect the mood of a piano practice and the success or failure of the performance.

The popular method of playing rosin is to split a bamboo piece into a crack in advance, and then sandwich the rosin in it. Then ignite the bamboo slices with fire, so that the rosin is scalded and dripped on the piano. This method is called "scalding". Although hot incense is more convenient and trouble-free for playing, it hinders the performance of some bowing techniques, and the piano skin is not clean enough.

Now the more popular is "rubbing incense", which is to use rosin directly on the bow hair to repeatedly wipe back and forth. After rubbing the rosin in this way, it can be pulled for at least an hour. Practice has proved that the sound of the piano just after "rubbing the incense" is not very ideal.