1. Introduction: Ruan is the abbreviation of Ruan Xian and Ruan Xian Pipa. To pluck an instrument. An ancient pipa. There are four kinds of improved Ruan: low Ruan, big Ruan, zhongruan and small Ruan. Three-string or four-string, with quality, installed according to the law of twelve averages. The tuning is: low Ruane1a1DG; Big and big; ; Medium soft DAE1; Xiao Ruan gd 1a 1. The range can reach two and a half groups. ? Zhongruan is a alto instrument, with quiet and soft timbre and rich poetry. Similar to Qin Qin, he often plays melodies or sentences with touching effects. As accompaniment, rich rhythm changes can highlight the characteristics of music. Using more than two zhongruan musicians to play harmony in a band will enrich the midrange of plucked instruments. According to Ruan's legend, Ruan Xian, a famous man in Wei and Jin Dynasties, was famous for playing the pipa. He completed the reform and was later called Ruan Xian Pipa?

2. Playing skills: Ruan's playing skills are relatively simple. With the reform of musical instruments, it is now gradually enriched. ? In recent years, many conservatories in China have successively opened Ruan's professional undergraduate courses, and solo works by Da Ruan and zhongruan have also emerged. At present, through the inheritance, practice, transplantation and creation of the players, there are more than 30 playing methods of the right hand, such as playing, picking, hooking, rubbing, buckling, rowing, rotating, brushing and rolling. And the left hand has 6,500 fingering methods such as sweeping, hitting, hooking, holding, sliding, pushing, pulling, singing, tattooing and rubbing.

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