Claim: The band Leoninos, founded in 1959 by Quintero Aguiar and disbanded in 1965, played music which was popular in São Tomé and Príncipe, an island country in the Gulf of Guinea.
Evidence: The godfathers of São Toméan popular music was the band Leoninos, which was founded in 1959 by Quintero Aguiar. Leoninos broke up in 1965, but were followed by Os Úntués, led by Leonel Aguiar, who added American, Argentinian, Congolese and Cuban musical influences, and introduced the electric guitar and other innovations. São Tomé and Príncipe (/ˌsaʊ təˈmeɪ ... ˈprɪnsɪpə, -peɪ/; Portuguese: [sɐ̃w̃ tuˈmɛ i ˈpɾĩsɨpɨ), (English: Saint Thomas and Prince) officially the Democratic Republic of São Tomé and Príncipe (Portuguese: República Democrática de São Tomé e Príncipe), is an island country in the Gulf of Guinea, off the western equatorial coast of Central Africa.