The first tape is probably from 1985 and contains a WBLS Saturday Night Master Mix Dance Party with Timmy Regisford. No hip hop but with some great 70's disco, reggae and R&B beats. Also a nice ending of the tape with the start of the WBLS Quiet Storm program.
Total time: 90 minutes.
The second tape is dated december 25th, 1983. Contains some true hip hop, electro, R&B and high energy classics, seasons greatings and a nice commercial for herbie hancock's autodrive.
Total time: 80 minutes.