Rapper LL Cool J and R&B singer Bill Withers will be honoured for their musical contributions by the American Society of Composers, Authors and Publishers.
LL Cool J will receive the Golden Note award and Withers will be presented with the Rhythm & Soul Heritage award at a June 26 ceremony.
In a statement, ASCAP president Marilyn Bergman called LL Cool J (whose real name is James Todd Smith) "one of the most important figures in the history of hip hop.
"He has weathered all the trends in the rap world and is as commercially viable today as he was when he started out in 1985."
Past recipients of the Golden Note include Sean "Diddy" Combs, Tom Petty, Quincy Jones and Stevie Wonder.
Withers, who wrote and performed hits including Lean On Me, is "one of America's premier singer-songwriters," Bergman said in a statement.
Withers joins previous Rhythm & Soul Heritage winners Chaka Khan and Earth, Wind and Fire. AP