Here's the link. There's a lot of recordings that aren't music, but I'm going to try to make a list of the Hip Hop/R&B inclusions.
https://www.loc.gov/programs/nation...complete-national-recording-registry-listing/
Got you covered man.
Mississippi Goddam
(single) Nina Simone 1964 2018 R&B
Soul Man
(single) Sam & Dave 1967 2018 R&B
In the Midnight Hour Wilson Pickett 1965 2016 R&B
We Are Family
(single) Sister Sledge 1979 2016 R&B
At Last
(single) Etta James 1961 2008 R&B
Blueberry Hill
(single) Fats Domino 1956 2005 R&B
Burnin'
(album) The Wailers 1973 2006 R&B
Change is Gonna Come, A
(single) Sam Cooke 1964 2006 R&B
Dancing in the Street
(single) Martha and the Vandellas 1964 2005 R&B
Dust My Broom
(single) Elmore James 1951 2013 R&B
Earth Angel (Will You Be Mine)
(single) The Penguins 1954 2004 R&B
I've Been Loving You Too Long (To Stop Now) Otis Redding 1965 2003 R&B
Let's Stay Together
(single) Al Green 1971 2010 R&B
Live at the Apollo
(album) James Brown 1963 2004 R&B
The Miseducation of Lauryn Hill
(album) Lauryn Hill 1998 2014 R&B
Mothership Connection
(album) Parliament 1976 2011 R&B
Respect
(single) Aretha Franklin 1967 2002 R&B
Songs in the Key of Life
(album) Stevie Wonder 1976 2005 R&B
Tracks of My Tears
(single) Smokey Robinson and the Miracles 1965 2007 R&B
Tutti Frutti
(single) Little Richard 1955 2009 R&B
What'd I Say (parts 1 and 2) Ray Charles 1959 2002 R&B
What's Going On
(album) Marvin Gaye 1971 2003 R&B
Superfly
(album) Curtis Mayfield 1972 2018 Soundtrack
The Blueprint
(album) Jay-Z 2001 2018 Rap
Raising Hell
(album) Run-DMC 1986 2017 Rap
Straight Outta Compton
(album) NWA 1988 2016 Rap
Dear Mama Tupac Shakur 1995 2009 Rap
Fear of a Black Planet
(album) Public Enemy 1990 2004 Rap
Message, The
(single) Grandmaster Flash and the Furious Five 1982 2002 Rap
Rapper's Delight
(single) Sugarhill Gang 1979 2011 Rap
Revolution Will Not Be Televised, The Gil Scott-Heron 1970 2005 Rap
An odd list to be honest.