when did pop music started in what year
Pop music Pop music is a genre of popular music that originated in its modern form in the United States and United Kingdom during the mid-1950s.[4] The terms "popular music" and "pop music" are often used interchangeably, although the former describes all music that is popular and includes many styles. "Pop" and "rock" were roughly synonymous terms until the late 1960s, when they became increasingly differentiated from each other.