Why did some radio DJ’s, such as Alan Freed, start banning cover artists, such as Pat Boone in the early Rock n Roll days?

How would understanding the value scale with color you with creating your artwork.

Although many musicians participated in the bebop revolution, and history has undoubtedly forgotten many who were in the trenches of the harlem jam sessions, it is clear that the most important and influential architects of bebop were and

Plz apex