The all-encompassing term used to describe the African-American wellspring of postwar popular music. From rhythm and blues has come rock, soul, funk, rap and regional and stylistic offshoots. Critics consider rhythm and blues's birth to coincide with the [Go to source
a combination of blues and jazz that was developed in the United States by Black musicians; an important precursor of rock 'n' roll
a hybrid of traditional African-American folk roots and blues with various mainstream sources. R&B employs a wider variety of song structures and chord progressions than traditional blues; and, like jazz, it often features complex arrangements that may be unique to one particular song. Also, many R&B songs differ from traditional music in that they are created by professional songwriters with the calculated goals of scoring a hit and making money.