Improvisation was the blood and bone of jazz, and in the classic, New Orleans jazz it was collective improvisation in which each performer, seemingly going his own melodic way, played in harmony, dissonance, or counterpoint with the improvisations of his colleagues. Quite unlike ragtime, which was written down in many cases by its composers and could be repeated note for note (if not expression for expression) by others, jazz was a performer's not a composer's art.
Russell LynesWhat we are headed for is a sort of social structure in which the highbrows are the elite, the middlebrows are the bourgeoisie and the lowbrows are hoi polloi.
Russell Lynes