I was accompanying my eight-year-old daughter who was selling cookies door-to-door for the Girl Scouts. After visiting several homes, she commented on the different styles of doorbells: some buzzed, some rang, some warbled. We made a game of guessing what the next bell would sound like.

At the precise moment she touched the doorbell at one house, the church tower began to chime. She wheeled around with a look of amazement on her face. "Now that's a doorbell!"