Julio de Caro (December 11, 1899 – March 11, 1980) was an Argentine composer, musician and conductor prominent in the Tango genre.His father opened a conservatory in the San Telmo district, in 1913, soon becoming one of the city's best known sources for music, instruments, parts, and lessons. He and his brother, Francisco, were both taught the piano and violin, respectively; though their father ultimately granted them their wish to exchange instruments (a third brother, Emilio, learned the violin). Against his father's wishes, Julio obtained a spot as a second violinist at the Lorea Theatre for a 1915 performance of a zarzuela. Despite his father's punishment and objections, the brothers began attending Buenos Aires' popular tango recitals. Some of these early influences included bandleaders Eduardo Arolas, Juan Carlos Cobián, and Roberto Firpo.