The brazilian producers take the taste of bass culture. There is few producers making a heavy good sound, and you should to know:
The duo from Salvador (SSA) made a damn good moombahton music. Using brazilian sample with the idea of kiss and mouth, the production is amazing:
Sistema de Som Pesadão
This guys is a mix of culture and influences, São Paulo, Rio de Janeiro and Curitiba, are the only description of crew. But this is just a mask to the crew, with good names of brazilian bass music.
and the last, but not less importante, the duo wich is creating interesting sound with global and brazil infuence. Mambo, Gorila, and now Boa Noite, is one of top tracks: