Provide the theme summaries for the following conversation: 

#Person1#: Now we have five-day classes every week, so we have more spare time than before.
#Person2#: How do you spend your time, Timmy?
#Person1#: I have interest in playing the violin and I'll continue to practice playing it.
#Person2#: Do you often take part in a concert?
#Person1#: Yes, I like to listen to some music. At present, my major objective is to learn from others.
#Person2#: Do you like classical music or pop?
#Person1#: I like both. How do you spend your spare time then, Lily?
#Person2#: Playing the piano is my favorite activity.
#Person1#: Our hobbies are similar to each other. I hope we can often exchange experience together.
#Person2#: So do I. But I am weak in the theory of music.
#Person1#: Me too. Would you like to go with me to visit my uncle? He's a professor of the institute of music.
#Person2#: I'm glad to go with you. I would ask him for his advice.

Summary: 
Lily and Timmy are discussing their arrangement of spare time and fine they have similar hobbies in music. They hope to exchange their experience together.