Background : hip-hop, cultural movement that attained widespread popularity in the 1980s and ’90s; also, the backing music for rap, the musical style incorporating rhythmic and/or rhyming speech that became the movement’s most lasting and influential art form. Although widely considered a synonym for rap music, the term hip-hop refers to a complex culture comprising four elements: deejaying, or “turntabling”; rapping, also known as “MCing” or “rhyming”; graffiti painting, also known as “graf” or “writing”; and “B-boying,” which encompasses hip-hop dance, style, and attitude, along with the sort of virile body language that philosopher Cornel West described as “postural semantics.” (A fifth element, “knowledge of self/consciousness,” is sometimes added to the list of hip-hop elements,