What Does 'Underground Rap' Mean Today?

The meaning of “underground rap” has changed over the years. This is the story of underground hip-hop’s evolution, and the shifting meaning of the term.

The I only listen to obscure and underground Hip-Hop music

Political hip hop - Wikipedia

A Guide To New York Hip-Hop: Unpacking The Sound Of Rap's

The definition of street rap. An interview with Aban.

What is underground rap and who are some of the successful

what does underground hip hop mean to you? : r/hiphop101

Whatever Happened to Underground Rap?, by mauludSADIQ

The Fierce, Flourishing World of Battle Rap - The New York Times

Meet BONES, underground rap king