Part 13 can be found here
Going into the ‘80’s radio was still the first place anyone who loved music would turn to when they needed a fix, but thanks to an innovation developed by the SONY Corporation, people started spending a lot more time listening to a music delivery system that started out as a dictation storage device in the early ‘60’s, grew into a music delivery system in the ‘70’s, and with the introduction of a good quality portable device began to outsell albums for a time all the way through the ‘80’s. The device was called a Walkman, and it played something called a ‘Compact Cassette’.
