music, also known as rap music, is a style of music which came into existence in the United States during the mid-1970s, and became a large part of modern pop culture during the 1980s. Typically, rap music consists of rhythmic lyrics making use of assonance, alliteration, and rhyme. Hip hop is a cultural movement that includes the activities of breakdancing and graffiti art, as well as associated slang, fashion and other elements.  (less)