If we are dialing this down to specifically the United States & discussing solely rap:
I must say that Broward County is producing a lot of up and coming rappers including:
Kodak Black, XXXtentacion (rip), Ski Mask The Slump God, Lil Pump, Smokepurpp, Ace Hood, Denzel Curry, Rick Ross, & Robb Stone
Now if we are discussing best music artists as of right now I would say Drake just speaking on a corporate level, his net worth is above 60 mill easily, and his 5 platinum albums is a statement in itself.
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She said do you love me,
I tell her only partly,
I only love mah bed & mah llama am sorry