He composed tangos, not only with his brother Virgilio Expósito, but with famous musicians like Aníbal Troilo (Te llaman malvelo), Domingo Federico (Percal, Yuyo verde, Tristezas de la calle Corrientes, Al compás del corazón), Armando Pontier (Trenzas), Enrique Mario Francini (Ese muchacho Troilo), Héctor Stamponi (Flor de lino), Osmar Maderna (Pequeña), Argentino Galván (Cafetín) and Atilio Stampone (Afiches).
The following year he joined Astor Piazzolla’s Octeto Buenos Aires with the bandoneons of Piazzolla and Roberto Pansera (later replaced by Leopoldo Federico), the violin of Hugo Baralis, the cello of José Bragato, the double bass of Aldo Nicolini (later replaced by Juan Vasallo), the electric guitar of Horacio Malvicino and the piano of Atilio Stampone.
In no time, he played with many important musicians such as famous singer Alberto Castillo, Eladia Blázquez, Ruben Juarez, Domingo Federico, Rodolfo Mederos and Osvaldo Piro, and he has shared the stage with Horacio Salgan-De Lio and Atilio Stampone.