BET announces the nominees for the 15th annual “Hip Hop Awards,” honouring the past year in hip hop music across 17 categories.  The BET Hip Hop Awards is set to premiere on Wednesday, 28 October 2020 at 03:00CAT /02:00 WAT on BET Africa (DStv channel 129) and repeats at 19:30 CAT / 18:30 WAT.   “Best International Flow” is a category that will recognise artists from around the world,…