Music brings people together, not only playing for others, but also playing with others. Self-mastery and development are central. Playing a musical instrument is a great way to get to know yourself
I've had so many different inspirational examples that it's hard to name just one or two. But when it comes to the saxophone it has to be the legendary Michael Brecker. Other than that, I am always surprised and impressed by people who mean a lot to others and go out of their way to help others.