Question

In this excerpt, what evidence do you see of the importance of musical performances in the heian court?

Answer: The suzaku emperor's celebration was going to feature a musical performance involving four types of instruments. these details show that music was an important part of the heian culture.​

Answer 1

The importance is just being a part of something , the celebration of being glad you went thru with the performance and did well is an excellent feeling of accomplishment.