Introduction to the allusion:

In the Spring and Autumn Period, there was a man named Boya who studied Guqin with Mr. Chenglian. He has mastered various performance techniques, but the teacher felt that when he played, he often did not understand deeply and simply played the notes, lacking a bit of charm and unable to arouse the screams of the audience. The teacher wanted to train him into a real artist. One day, Mr. Chenglian said to Boya: "My teacher Fang Zichun lives in Donghai. He can teach you how to cultivate people's taste. I will take you there and let him teach you. If you talk about it, it can greatly improve your artistic level." So the master and the apprentice prepared dry food and set off in the boat. After arriving at Penglai Mountain in the East China Sea, Mr. Chenglian said to Boya: "You stay here to practice the piano, and I will go find the master." After that, he rowed the boat and gradually moved away. Ten days have passed and Mr. Chenglian has not come back yet.

Bo Ya waited anxiously on the island. While tuning the piano every day, he looked around. He faced the vast sea and listened to the surging waves. Looking into the distance, the mountains and forests are lush and unpredictable, with the sound of birds chirping and flying from time to time. These scenes with their own interesting and strange sounds made him relaxed and happy, his thoughts were wandering, and he felt that his taste was much nobler. Boya developed a creative passion and wanted to compose his feelings into music, so he set up the piano, poured his passion into the strings, and composed a song "Mountains and Flowing Waters" in one go. Not long after, Mr. Chenglian returned from the boat. After listening to his sincere performance, he said happily: "You are already the best luther player in the world. You can go back!" Boya suddenly realized that the sound of the waves and birds singing was The best teacher. Since then, Boya has become a master of piano playing in the world through continuous accumulation of life and artistic experience.

Bo Ya, a senior official of the Jin State during the Spring and Autumn Period and the Warring States Period, was originally from Yingdu, Chu State (today's Jingzhou, Hubei Province). Boya was a famous luther player at that time. He was good at playing the lyre and had superb skills. He is both an expert piano player and a composer, and is respected as the "Piano Immortal". "Xunzi Encouraging Learning" once said that "Bo Ya played the piano while Liu Ma Yang Ke", which shows his superb playing skills. "Lu's Spring and Autumn Annals: Original Flavor Chapter" records the story of Boya playing the drum and harp and meeting a close friend, and Zhong Ziqi understanding that the music of the harp was in the mountains and flowing water. "Qin Cao" records: Boya failed to learn the piano for three years, so his teacher Chenglian took him to Penglai Mountain in the East China Sea to listen to the surging sea water and the mournful sounds of birds, so he wrote "Darcissus Cao" based on his feelings. The qin music "High Mountain", "Flowing Water" and "Shuixian Cao" are all works by the legendary Boya.