​From Wikipedia, the free encyclopedia.   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 dodecapho ...