Tonico e Tinoco were a Brazilian música sertaneja duo from the state of São Paulo, composed of brothers Tonico and Tinoco, they are regarded among the most famous and prolific artists in sertanejo. With their first hit single, "Chico Mineiro", they were named "A Dupla Coração do Brasil". They performed more than 40,000 times between 1935 and 1994, recorded more than 1,000 songs and sold over 150 million albums despite never performing outside of Brazil.