R&B(R &； B) When it appeared in the mid-1940s, it didn't even have a name. But as soon as the word appeared, it spread quickly and widely. Today, R&; B has become synonymous with black pop music, although it is more mentioned by special listeners and people in the record industry as a kind of music different from rap, soul music and urban music. Early rock music was based on rhythm and rhythm. Mainly B, it is an extension of "country and western music" influenced by pop music. R & ampb is not only an important transitional music between blues and rock music, but also the most important musical branch between blues and soul music.