1) You mustn't be late for concerts.
2) You must have your own instrument.
3) You may play on instruments you like.
4) You mustn't be rude.
5) You must pay for club.
6) You may do your homework in the club.
7) You must know how to play instruments.
8) You may take part in our electronic communication.
10) You must have your own page in vk.