1. First hip-hop DJ: Kool Herc

  2. Location of Kool Herc’s first party: 1520 Sedgewick Avenue, Bronx, N.Y., 1973

  3. First rap artist signed to a major label: Kurtis Blow (Mercury)

  4. First rap album on CD: “King of Rock” by Run-D.M.C. (Profile, 1984)

  5. First major network news program to document hip-hop: ABC’s “20/20,” July 1981