Don't know where to start with collecting or listening to old school hip hop tapes? How about these 20 tapes from the early days: 1977 till 1980.
Funky 4, Crash Crew, Whiz Kid, Mean Gene, Grandmaster Flash, Bam, Donald D, Master Flowers, Caz and more.
This is the DNA of hip hop
and added some Mercedes Ladies https://www.mediafire.com/folder/at52366clinx8/Mercedes_Ladies_Inner_City_Disco_(1980)