Things moved fast for these sertanejo stars, who found success from the very beginning with their subtly harmonized singing and pleasing, emotional lyrics. These songs are cries from the heart, genuine and unfussy, and the duo rely heavily on piano and broad brushstrokes of rock guitar to get their sweeping feelings across. But what sets them apart is their fidelity to American country guitar: Twang has come to Brazil, and it sounds—surprisingly—right at home.