is playing on the radio in the background at hotels,
             supermarkets, and lounges. In addition, jingles and dance songs bear the
             influence of jazz. From ragtime to rock if we take the time to notice,
             Jazz is also significant because within its roots we can see a parallel
             between the evolution of the African American struggle and "various
             transformations of Rhythm and Blues" (Ward 1998 2). After the Second World
             War, when African Americans were still excluded from participating in many
             activities, the blues emerged almost as a segregated form of music. The
             sounds were produced by African American musicians and were played on
             African American radio stations and concerts were attended by mainly
             African American audiences. Crossover was eminent, and the result of the
             influence the blues and jazz have had on popular music can be seen and
             One of the greatest influences on jazz and the blues is Louis Armstrong.
             Gennari points out that Armstrong's influence and "vanguard techniques
             ...