Many people and many styles of music influenced Rock and Roll. The styles included Blues, Jazz, Gospel, Bluegrass, Boogie-Woogie, and Rockabilly. Each was a major factor into the introduction of a new style of music called Rock N ' Roll.
Popular music places a premium on accessibility, represents various meanings to boost both instant appeal and memorability - distinctive tunes, novel instrumental flourishes, danceable rhythms, repeated riffs - but its signal feature is melodic emphasis and great vocal gatherings. Popular music at the turn of the century came largely from musical theater - Broadway and Hollywood. Originally, popularized by traveling groups and sheet music sales, popular music really came into its own with the arrival of radio broadcasting, jukeboxes, 78 r.p.m recordings and other twentieth century technologies which continued into the Fifties.
Hits from the first half of the 20th century were supplied by Tin Pin Alley that celebrated the boom years and Roaring Twenties and provided an escape from the Depression and two World Wars. Cole Porter, Hoagy Carmichael, Irving Berlin, George Gershwin, Rodgers and Hart, Jerome Kern left their imprint during "the Jazz Age." However, there were the long-forgotten hacks cashing in on the latest fads spewing out sentimental weepers and cute novelty numbers aimed at the bland tastes of American mainstream.
Jazz and "boogie-woogie" of the Thirties moved popular music away from the light entertainment of the publishing houses toward a more exciting and dance oriented style that made the swing era a golden age. As the bigger bands died out and the star singers again grabbed the spot light the songwriters again found their services in demand. Without jazz driving it and Americans rebuilding their lives and starting baby booms people were too busy to waste time dancing. Popular music turned back to light sentimental songs and cute novelty music song by polished voices and
Cited: 1 Gass, Bryan "A History of Rock Music: The Rock and Roll Era" World Book. Ed. 6. 1994. 2 Jervey, A. J. " Rock Music Developments" World Book. Ed. 6. 1994. 3 Briss, Jake "A Rock 'n Time" Compton 's. Ed. 13. 1987. 4 Mack, Stacey "ROCKED AND ROLLIN" TIME to Rock round the Clock Nash Publishing, 1994.