Who did Gu Yong learn piano from?

Gu Yong of Wu studied piano with Cai Yong. Cai Yong, a famous person in the Eastern Han Dynasty, once fled chaos in Wu, and Gu Yong of Wu followed Cai Yong to learn piano art and calligraphy from Cai Yong. Gu Yong, the word sigh, is from Wuxian, Wu Jun. Sun Wu, prime minister and politician of the Three Kingdoms. Gu is a famous family in Jiangnan. Gu Yong was very clever since he was a child. When he was a teenager, he studied piano and calligraphy from Cai Yong, a writer and calligrapher in the Eastern Han Dynasty. Cai Yong lived in seclusion in Wu.