Definition and scope:
Hip-hop: Hip-hop is a cultural movement, including music, dance, fashion and visual arts. It originated in the United States in the 1970s and is a cultural form characterized by social criticism, self-expression and street culture.
Rap: Rap is a musical form in hip-hop culture, which emphasizes the use of rhythmic oral singing to convey information and express emotions. Rap is usually accompanied by drums, bass lines and sample music, but it can also be combined with other musical styles.
Music style:
Hip-Hop: Hip-hop music has many styles, including rap, DJ disc, rock, rhythm and blues, funk and so on. In addition to rap, the musical elements of hip-hop also include drumming, sampling music, rhythm and so on.
Rap: Rap is the core element of hip-hop music and a rhythmic oral singing. Rap is usually characterized by rich vocabulary, rhyming skills and popular culture quotations.
Cultural background:
Hip-Hop: Hip-hop culture originated in African-American communities, reflecting social dissatisfaction, racial problems, poverty and other issues. It is regarded as a form of self-expression, resistance and community cohesion.
Rap: Rap lyrics usually express the opinions, experiences and feelings of individuals or groups. Rap artists use lyrics to convey social issues, personal growth, love stories and other themes.
Hip-hop and rap are interdependent, and rap is a manifestation of hip-hop culture, and they are often confused. When people refer to "hip-hop music", they usually mean hip-hop music that contains rap. In short, hip-hop culture and rap music, as a whole, play an important role in shaping and influencing contemporary music and society.