He was born in San Fernando, Argentina and first learned music from his father before studying with the composer Arturo Berutti in Buenos Aires.
He was professor at the University of La Plata and wrote an elementary course on harmony.
Some of their works are the operas Ilse (1923) and La leyenda del Urutaú (The legend of the Urutaú) (1935), Primera serie argentina, (First Argentine series), Evocación quechua, Gaucho con botas nuevas (Gaucho with new boots) (1938, orchestra), a symphonic poem which won a national prize in 1939.
Among his religious music Réquiem (1933) and Misa de Gloria (Glory Mass) (1936) are particularly esteemed.
[1] Gilardi's pupils included Regina Benavente,[2] Ana Serrano Redonnet,[3] Julia Stilman-Lasansky, and Susana Baron Supervielle.