The broadly common emphasis on pentatonic formations came mostly from West Africa, While the diatonic (and later extra chromatic) melodic traces of jazz grew from late 19th- and early twentieth-century European antecedents. A different clear source for type beats is beat markets. Beats and profiles are hosted on these https://zandervxcde.rimmablog.com/31976694/the-2-minute-rule-for-jazz