Case of the Lost Song

AT A TRAVELING ANTIQUES SHOW, NANCY'S APPRAISING BURGLARIES, FRAUD, AND A GREEDY THIEF! While visiting Chicago, Nancy, Bess, and George bring some items to the Old Can Be Gold show to see what they're worth, just for fun. In George's old tape recorder, a dealer finds a rare early tape by a famous rock group. But before George can get it insured, it's stolen -- like many other items brought to the...