native american
African American
Jazz has been an evolving form of music from it's creation. You could say that it became popular in the 20's with the ragtime/dixieland trends, followed by swing in the 30's, bebop in the 40's, etc.
black poeple
Black Afro-American.
jazz music rally
Improvisation
Basically, the music in the 1920s was Jazz with the famous artist Louis Armstrong and Ella Fitzgerald.
Blues.
Jazz, ragtime, and the rise of Broadway musicals led the music trends of the 1920s.
Jazz and Blues
All That Jazz
Jazz.