It's one of the first thing a kid learns: Green mean go, Red means stop. Jim Zieba knows all about the reds and greens and yellows, too. Zieba is an electrician with the city of St Paul, Minn.; his job is to make sure all those traffic lights turn smoothly from stop to go and back again.
Jim is also a fine pianist, and he stopped by the studio to chat about his work and about the pieces of classical music he most enjoys.
Next week: Sara Lien Edelman is a public relations specialist. Close to her heart are classic Hollywood films and their soundtracks.