The Tantã is a percussive instrument consisting of a cylindrical type of side drum similar to the brazilian atabaque with a wooden or aluminum shaft. It has an animal or polyester skin drum head on only one of its sides. Its diameter can vary though the most used is one is the 12" tantã also called rebolo in Brazil.
It was created by Sereno a brazilian sambista musician of Rio de Janeiro member and one of the founders of the pagode group Fundo de Quintal. He was introduced into samba to replace the surdo another type of percussive instrument on the samba reunions "rodas de samba" of Cacique de Ramos, in the late 1970s.
A novelty in the new libraries is the individual control of session microphones. You can mix 3 distinct microphones in different positions providing more freedom and timbre options in the song. Control the microphones even within the loops.