[observation, 2017] I've been doing this since 1960. When we met Dr. King in church, my father told us if he can preach it, we can sing it. We've been singing the message-songs ever since. Every year people tell me, "Mavis, my goodness, when are you going to retire?" I'm almost eighty years old. But I'm not ready to retire. This is what God wants me to do. My voice is as strong as ever.