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Blues
Jazz
R & B
Rock & Roll
Pop music
Music development
Time
Types of music
Origin
Main instrument
Represent-ative
Early Jazz
(1930s-1950s)
Swing
By the early1950s
R & B
1950s
Rock & roll
Develop from R&B
1960s
Pop music
The Beatles
Folk songs of blackAmericans
Trumpet
Louis Armstrong