Step-by-step explanation:
Technological changes of any kind have a relevant impact on society and cause tasks to be carried out differently.
In the case of the invention of radio and television, the impacts observed on society had a major milestone in 1926 with the debut broadcast by the National Broadcasting Company.
Therefore, the new technological inventions were more comprehensive as to the public, which increased the popularity of each musical genre, since the changes due to the invention of radio and television popularized the number of people who listen to music, which was previously restricted to people with greater purchasing power, and thus the art was expanded into several musical genres to encompass all different social classes.