Advertisement50 years ago, teenagers partied in the Bronx — and gave rise to hip-hop11:21Download AudioResumeJuly 11, 2023Kat LonsdorfJuana SummersPatrick JarenwattananonfacebookEmailA section of Sedgwick Avenue in the Bronx, N.Y. was renamed Hip Hop Boulevard in 2016, in recognition of the apartment building where the music is said to have been born. (José A. Alvarado Jr. for NPR)