The bateria is the sound soul of the roda. Each instrument has its own role and importance.
A musical bow made from a wooden stick, steel wire, and gourd. It leads the roda and sets the rhythm.
A drum of African origin that supports the rhythm and adds depth to the sound.
A Brazilian tambourine that keeps a steady pulse in the roda.
A double bell and a friction instrument that add accents and texture to the bateria.