Mister Rogers thought of himself first and foremost as a musician, and he was delighted to share his love of music. In this episode, world -renowned cellist Yo-Yo Ma visits and viewers enjoy his extraordinary musical talent and get to know him. Performing a variety of musical pieces, he shows how he uses music to express all kinds of feelings. In Make-Believe, the neighbors are preparing for a bass violin festival. And a factory tour takes viewers to see how people make bass violins.