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Jazz
The first form of pop music in USA, 1920s, often include brass instrument. They also have dissonant harmonies and danceable. -
Rock 'n' Roll
Rock 'n' Roll has complex style, with diverse subgenres. They have heavy beat, catchy chorus and consonant harmonies. -
Funk&Disco
Funk: evolved from jazz, symbol of self-
expression in the Black community
Disco: Originated in underground clubs,
brought a new focus on catchy beats.
in 70's to 80's