I'm really careful about not slamming my politics home in my shows, but I don't try to hide, either. The arts can be a great way to bring people together. I don't preach from the stage. I try to stay positive on solutions.

In blues, classical and jazz, you get more revered with age.

There were so many great music and political scenes going on in the late '60s in Cambridge. The ratio of guys to girls at Harvard was four to one, so all of those things were playing in my mind.

Quakers are known for wanting to give back. Ban the bomb and the civil rights movement and the native American struggle for justice - those things were very, very front-burner in my childhood, as were the ideas of working for peace and if you have more than you need, then you share it with people who don't.

I grew up in Los Angeles in a Quaker family, and for me being Quaker was a political calling rather than a religious one.