The 1920s and 1930s marked some of the most important developments in the history of the American mass media: the film industry's conversion to synchronous soun

The author covers the development of the electronic musical instrument from Thaddeus Cahill's Telharmonium at the turn of the last century to the MIDI synthesiz

From 1940 to 1990, new machines and devices radically changed listening to music. Small and large single records, new kinds of jukeboxes and loudspeaker systems