2. Those who can play the guitar can play the guitar or form a small class team.
3, street dance and the like
4. You can play the double reed. It's funny if you play well.
5, there is really no specialty, you can recite poems, and the kind with music as background accompaniment is easier to impress people.
6. There is also a cup song with perfect timbre to teach you how to play online. It's also fun, and the whole class can participate.