I have 4 10s intercoms. right now we are only using 3 of them. 2 of them (A & B) are on the same bike. The third (C) is on a different bike. Our questions:
- Can we have a group intercom between all of us, but when we end the intercom, only A&B are sharing music? If so, how do we end/pause the intercom to go to music, without sharing music to the entire group?

- once in a music share, how can you terminate the share to go to your own music, without sharing it? Say A, B & C are sharing A's music. C no longer wants to hear A's music and wants to drop out of the share. How does C drop out?