José Muñoz, the younger brother, was born in 1978. He plays guitar for Estopa. David Muñoz, the older brother, was born in 1976. He is the singer and also plays some guitar. They are brothers born in Extremadura. The brothers grew up listening to such bands as Los Chichos, Los Chunguitos, and Bordón on their trips with their parents from Cornellà to Zarza Capilla, where their parents were from.