Albums that damn near single-handedly changed the sound of their region?

[Chip Skylark]

So icy was like the introduction but once that Gucci Mane hard to kill dropped I couldn’t escape zaytoven and that nitti beats type sound. Then people started building on it then stupid fruity swag type songs hit then YC and future racks

 

[Jean Jacket]

Fiend- Street Life

 

[Mr. Negative]

ima push back and say it was Picture This

I can't argue with it. I forgot it came out first, and Twista got reintroduced