This paper explores the historical progression of the technological development of records and radio and its impact on popular music. It also includes the production technologies that create recorded music, the development of records, cassettes and CDs, and areas of reproduction that have an association with popular music including the sound technologies of radio, film, television, background music, and the juke-box. This paper is not a cultural or social study, but is primarily an historical account of media technology in music production and delivery. Certain social and cultural consequences and issues are included as background and sidebars to the primary topic. The technology of live performance has been omitted because it alone represe...