During 1920s and 1930s, the development of popular music was totally influenced by technology, especially provided people a cheaper way to listen to a variety of music. The phonograph records and radio became a medium to let everyone get in touch with the popular music, during the mid- 1920s, “the total sales of phonograph discs surpassed those of sheet music for the first time” (Starr and Waterman, 43). Nowadays, we seldom have phonograph discs, all we have are compact discs (CDs), but it seems the technology has advanced rapidly, people usually “purchase” songs online, not getting them in the CDs stores The advanced technology makes us even more convenient to listen to the variety of music even from different locations and
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