Rhythmic style, derived from blues, which was highly influential on soul and a precursor to rock n roll.
Releases employing the more recent, post-soul meaning of the term R&B come under the tags New Jack Swing or Contemporary R&B. Discogs prefers to specify one or the other now, as opposed to the less precise RnB/Swing tag.
Rhythm and blues, often abbreviated as R&B, is a genre of popular music that originated in African-American communities in the 1940s. The term was originally used by record companies to describe recordings marketed predominantly to urban African American music.