3. Cassette Tapes
The compact cassette was originally developed for transcription purposes, and its users quickly realized that they could use it to record music and make “mixed tapes”.
4. Boom Boxes
Associated with hip hop, break-dancing, and other aspects of eighties culture, the boom box was introduced in the late 1970’s as portable, all-in-one music devices. Earlier models took huge quantities of batteries and were very heavy.