K-Ximbinho was a noted saxophonist, a member of Severino Araújo's Orquestra Tabajara, Fon-Fon's orchestra, Sete de Ouro, and the Orquestra Sinfônica Nacional (of Rádio MEC). As a composer, he was one of the most modern creators of the choro idiom, being a pioneer of its modernization with jazz and rhythmic elements that today evoke an avant la lettre bossa nova. K-Ximbinho has several classic choros as part of the repertory of the rodas de choro (choro get-togethers), such as "Sonoroso" (recorded by the Orquestra Tabajara in 1946, as were "Sonhando" that same year, and "Sempre...