Canataro who was ill at the time. In late 1938, di Sarli reorganized his orchestra and in January 1939 debuted in Radio El Mundo. His orchestra consisted of Roberto Guisado, Ángel Goicoechea and Adolfo Pérez on violin, Roberto Gianitelli, Domingo Sánchez and Roberto Mititieri on bandoneón and Domingo Capurro on bass. The singer was Ignacio Murillo, soon to be replaced by Roberto Rufino who was 16 years old at the time. On December 11, 1939, they recorded for RCA Victor the tangos Corazón (composed by di Sarli, with Hector Marco's lyrics) and Retirao by Carlos Posadas. He stayed with this recording label until 1949, when he withdrew from tango for commercial reasons. In November 1951, he returned to the label Music Hall until April 1953 recording 84 tracks with the vocals of Mario Pomar and Oscar Serpa. From June 1954 until 1958 he returned to the RCA Victor label, leaving that year for Philips to record his last 14 tracks with Horacio Casares and Jorge Durán. Last orchestra lineup Since 1958, in addition to Di Sarli on the piano, the orchestra included the violinists Roberto Guisado, Elvino Vardaro, A. Rouco, Szymsia Bajour, Carlos Arnaiz, Juan Schiaffino, C. González and A. Rossi; the bandoneón players F. Verdi, José Libertella, Julián Plaza, A. Marcucci y D. Sánchez; A. Sciarretta on bass and the singers Horacio Casares and Jorge Durán. Di Sarli, already seriously ill, gave his last performance on March 8, 1959, in the club Podestá de Lanús, finishing with a performance of Bahía Blanca, his own composition dedicated to his hometown. His vocalists During the sextet years, his singers (in chronological order) were Santiago Devin (cenzi), Ernesto Famá, Fernando Díaz, Antonio Rodríguez Lesende, Roberto Arrieta and Ignacio Murillo. In his later years, larger orchestra Murillo was followed by Roberto Rufino, then Antonio Rodríguez Lesende, Agustín Volpe, Carlos Acuña, Alberto Podestá, again Roberto Rufino, then again Alberto Podestá, Osvaldo Cabrera, Roberto Rufino for a third time, Alberto Podestá for a third time, Jorge Durán, Raúl Rosales, Alberto Podestá for the fourth time, Osvaldo Cordó, Oscar Serpa, Mario Pomar, again Oscar Serpa, Argentino Ledesma, Rodolfo Galé, Roberto Florio, and finally Jorge Durán again and Horacio Casares. Di Sarli's musical style In the beginning, his music had a simple structure, but over time it matured into a more lyrical, richer, playful and more subtle style which remained popular with tango dancers as it continued