You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Where did the genre of music that "Know Me From" is first emerge?" whose answer is London.
Each document should contain about 30 words, and these documents should contain useful information.

Query: origin of hip-hop and rap music
Useful Output:

Doc 1: Hip-hop originated in New York City during the 1970s. It started out as strictly live music, reserved for loud nightclubs and street corners.
Doc 2: Here, on 11 August 1973, DJ Kool Herc debuted what would come to be one of the foundations of hip-hop: in an attempt to draw out the percussive
Doc 3: The word rap as a name for the genre seems to have been inspired by an earlier meaning of rap within the Black community to mean “an impressive
Doc 4: DJ Kool Herc formally established the genre on Aug. 11, 1973, at his sister's graduation party in the Bronx; while mixing tracks on the spot,
Doc 5:  music breaks — led to the discovery of the hip hop genre. From  Rap and Hip Hop: Crash Course Black American History #47. CrashCourse