Swing (Swing) [1935] rock music originated after 1930

Swing (Swing) [1935] .rock music originated after 1930, Glory 1935 - 1946, but will it be precisely defined as dance halls and other places of entertainment are among the large number of young music fans, the dancers are attracted to these places of consumption and the tiles, more suitable for dance sets (four beats) adapted from the popular song (TinPanAlley) of jazz and rock music could be to meet the influx of young and middle-class fans. So, that rock music is derived from business needs, with a fun color of jazz, is also an exaggeration.
rock music was with the Duke Ellington big band evolved into the pace of the accompaniment of song and dance team performances (a bit like a dance band) and in dance, each section has four beats, so, some scholars again it is called With the important changes: Tuba number is walking the bass playing (doublebass) replaced banjo rhythm guitar was replaced by the basic pulse of the rhythm of drums to acoustic rhythm part for the Bi Niuao good light and lively traditional jazz, and sometimes shoot each section is subdivided into four pairs 2 film; solo hand by demands and expectations of more autonomy to improvise solo in order to be able to go beyond changing the melody of rhythm. This jazz artists during the important are: Coleman. Hawkins (Coleman Hawkins), Benny. Goodman, Johnny. He Gisborne (Johnny Hodges), and Liszt. Yang; and the previously neglected instrument upgrade to be, and trumpet, clarinet and saxophone and other instruments the same legal status of the main facilities.