What strings are used to play the Night of Spring Flowers and Moonlight on the erhu?

The Moonlit Night of Spring River is in the key of C, and is played on the 1.5 string, which means that the inner strings of the erhu are set to C ? The outer strings are set to G, and the 1.5 string is used to play it. Some players may have some differences in the middle of the piece, but the versions are all the same, and they are all played with the same string, just with some differences in the players' styles.

The Moonlit Night of Spring River Flowers is a work by Zhang Ruoxu, a poet of the Tang Dynasty. The poem follows the old theme of Chen Sui Lefu, using the beautiful brushwork with a rich sense of life, taking the moon as the main body and the river as the scene, depicting a beautiful and faraway, blurred and confused picture of the moonlit night of the spring river, expressing the sincere and touching feelings of separation of the wandering son and his wife, as well as the philosophical meaning of the life feeling, manifesting a kind of absolute cosmic consciousness, and creating a deep, sparse and tranquil realm.

The whole poem***thirty-six lines, every four lines of a rhyme, the whole integration of poetic, pictorial, philosophical as one, the meaning of the clear, peculiar imagination, the language is natural and timeless, rhymes with a melodious, cleansed of the six dynasties of the Palace of the body of the grease, with a very high aesthetic value, known as the "lone piece of cover the whole of the Tang Dynasty" of the reputation.

Baidu Encyclopedia_Moonlit Night in the Spring River