Valdir 7 Cordas, the famed seven-string guitarist, performed with Luíz Gonzaga, Elza Soares, Clara Nunes, Altamiro Carrilho, Nelson Gonçalves, Martinho da Vila, Abel Ferreira, Gonzaguinha, Ademilde Fonseca, and Trio Nordestino. Having caused the latter for quite some time, in 1977 Valdir founded the mentioned choro group Chapéu de Palha. Having researched with Meira, Valdir 7 Cordas began as a specialist in 1960 in the Regional perform Niquinho, still like a six-string guitarist. For the reason that group, he participated in a number of recordings at CBS while he got part in this program Caravana da Alegria. In 1963, he joined up with the local (small associated group) Operating-system Pinguins de Bangu. He also participated in the Jovem Guarda motion when the youngsters music became popular the environment the choro radio displays, having been asked by Lafayette to become listed on his group as a power guitarist; he also participated in the Pops (1967) and Parada Cinco (1969).