The document discusses several music genres including hip hop, soul, R&B, rock, and pop. It provides brief descriptions of the origins and characteristics of each genre. For hip hop, it notes the incorporation of rapping and beat boxing. Soul music originated in the 1950s-60s combining gospel and blues and expressing black culture. R&B combines elements of rhythm and blues, pop, soul, funk and hip hop. Rock music originated from rock and roll in the 1950s and was influenced by blues and country. Pop music borrows from various styles but is defined by short-to-medium songs with a repeated chorus.