Encyclopædia Britannica article on rap, retrieved from britannica.com: Rap, musical style in which rhythmic and/or rhyming speech is chanted ("rapped") to musical accompaniment. This backing music, which can include digital sampling (music and sounds extracted from other recordings by a DJ), is also called hip-hop, the name used to refer to a broader cultural movement that includes rap, deejaying (turntable manipulation), graffiti painting, and break dancing.
Merriam-Webster Dictionary entry on hip-hop, retrieved from merriam-webster.com: A subculture especially of inner-city black youths who are typically devotees of rap music; the stylized rhythmic music that commonly accompanies rap; also rap together with this music.
