If the old Rice-a-Roni commercial theme song used to get stuck in your head, imagine listening to people sing it every day. “If I had a penny for every time, I would be rich,” said Hector Godinez.

Chances are, you've seen a television show, movie, postcard or some type of San Francisco memorabilia emblazoned with the city's iconic cable car or trolley. So, of course, to fully experience San ...