Chitãozinho & Xororó are brothers, and were trained in music by their father, a vocalist and composer. They first performed publicly under the name Irmãos Lima, playing at festas juninas in Brazil. Their debut television appearance came in 1967 on Silvio Santos's show, and in 1969 they played on Cidade Sertaneja. Their first album was released in 1970, and the following year they appeared in the film No Rancho Fundo. Their fame and album sales steadily increased over the 1970s; in 1982, their Somos Apaixonados sold over a million copies. Their first TV special for SBT, featuring Roberto Carlos, came in 1986; in 1988, their performance at the Palace marked the widespread acceptance of sertanejo music among the urban middle and upper classes.
The duo continued to win international recognition, performing in Las Vegas in 1989 and in 1993 in Miami with The Bee Gees. Their first Spanish language album appeared in 1991. They founded a children's charity in their name in 1992. In 1994, Chitãozinho & Xororó recorded two songs, "Ela Não Vai Mais Chorar" and "Pura Emoção", with Billy Ray Cyrus, and in 1999 they sang "Coração Vazio" with Reba McEntire.