Rhythm and blues, often abbreviated to R&B or RnB, is a genre of popular African-American music that originated in the 1940s. The term was originally used by record companies to describe recordings marketed predominantly to urban African Americans, at a time when urbane, rocking, jazz based music with a heavy, insistent beat was becoming more popular.
The term has subsequently had a number of shifts in meaning. In the early 1950s, the term rhythm and blues was frequently applied to blues records...
Read more: Wikipedia