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Carlo Jachino (1887–1971) was a prominent Italian composer of the 20th century. Born in Sanremo,on February 3, 1887 he studied in Leipzieg under Hugo Riemann. Jachino's 3-act opera, Giocondo and his King won a national competition in (1922) and was premiered in 1922 at the Dal Verme theater in Milan in 1924. In 1928 his Second Quartet shared the second prize with Alfredo Casella at an internal competition in Philadelphia. He was a proponent of dodecaphonic or 12-tone music. He wrote extensively about music, including an authoritative Instruments of the Orchestra. He taught composition at the conservatories of Parma, Naples and Rome between 1927 and 1950. He was the director of the Naples conservatory from 1950 to 1953, and later director of the National Conservatory of Colombia in Bogotà. Jachino was also inspector of music curriculum for the Italian Ministry of Education.

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