Make it a habit to tell people thank you. To express your appreciation, sincerely and without the expectation of anything in return. Truly appreciate those around you, and you'll soon find many others around you. Truly appreciate life, and you'll find that you have more of it.
If you're truly in a band and you guys have been together for a long time, there's a family bond that you have. In fact, I've talked about this with therapists, especially if you're talking about a relationship, because when you're with somebody, you're going to your family, and she's alone.