Most inventions over the past centuries have helped to speed production on farms, factories and stores, others have the job of entertaining. Music was mechanized with the birth of the jukebox, and then even the jukebox was modernized - brought to the point where you no longer needed to exert any effort in pressing buttons. You simply dropped in a coin and an operator at the other end asked which songs your taste demanded. This much time has been taken to explain the newer jukeboxes in order that you might better understand the case from today's FBI files, because the machine, the customers, and the operators who take the calls all play a part - a very important part....