Question

question 11
according to rap star kool moe dee in the documentary hip hop evolution -from underground to the mainstream, what pioneering rap group through the spread of their party tapes was battling established recording artists in terms of popularity within the 5 boroughs of new york city?
grandmaster caz and the cold crush brothers
disco king mario
master don and the def committee
the crash crew
mercedes ladies

Explanation:

In the Hip Hop Evolution - From Underground to the Mainstream documentary, Kool Moe Dee identifies Grandmaster Caz and the Cold Crush Brothers as the pioneering rap group whose party tapes grew so popular in NYC's 5 boroughs that they rivaled established recording artists in popularity.

Answer:

Grandmaster Caz and the Cold Crush Brothers