Popular music as we know it originated out of the Tin Pan Alley tradition that emerged at the beginning of the 20th century in which composers, singers, and publishers worked together to create hit songs. ... Rhythm and blues laid the groundwork for rock and roll that shook up popular music in the 1950s.
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Answer:
Popular music as we know it originated out of the Tin Pan Alley tradition that emerged at the beginning of the 20th century in which composers, singers, and publishers worked together to create hit songs. ... Rhythm and blues laid the groundwork for rock and roll that shook up popular music in the 1950s.
Explanation:
source: g00gle