In which researchers squabble for centuries about the secret ingredient that made one Cremonese craftsman the greatest musical instrument-maker of all time, and John seasons guitars under a bus. Certificate #36611.
In which an ancient linguistic and religious practice becomes a jaunty, ambulatory musical form before falling into decline, and John does not want to see condors in a hospital. Certificate #45133.
In which centuries of sterilization-happy doomsayers fail to predict a game-changing revolution in wheat, and Ken thinks Pakistan wants John to clean out his fridge. Certificate #2037.