US National Anthem on 7 Credit Card Machines

My alternative to floppy disk music: credit card machine music! The devices play the national anthem of the USA by printing paper. It took some time to find some other odd instruments that can play the US anthem as well as floppy drives. Finally, the solution was credit card machines. They use stepper motors to move the thermal paper. Just like floppy drives use stepper motors to move the magnetic read/write head. Thanks to the stepper motors card machines can be tuned accurately, but I’m also happy with