f Italian origin, he studied in his fatherland harmony, counterpoint and instrumentation. He arrived in Argentina in 1880 and joined the band of the 1st. Regiment of Infantry.

His traveling life drove him to Bolivia where he reached the position of General Director of Military Bands that he carried out up to 1887.

He returned to Argentina and settled in Salta where he stayed for five years. In 1887 he moved to Buenos Aires and later he appeared as conductor of provincial bands in several provinces.

Fearing that his superior officers would punish him if they knew there was a tango composer in the army ranks, for many years he used the sobriquet M. Criollito until tango was accepted by the governing class. Then Mazzoco went to extremes by recording tangos in 1912 for Columbia Records with the band of the 5th.

Regiment of Infantry that he conducted. A few days later he was discharged.
In 1914 he was appointed music teacher in the Escuela Normal of San Justo, province of Santa Fe and, in 1916, in the Escuela Normal Nº 8 of the Federal Capital.

In 1917 he appeared in Santiago de Chile and later in several Argentine provinces.

The following are some of his outstanding pieces: “ABC”, “Azul y blanco”, “Bar florida”, “Bar Pueyrredón”, “Bristol Hotel”, “Canillita [d]”, “Cochona”, “Columbia Record”, “Charman cinema”, “¡Che venite al marquesado... ¿querí?”, “Don Francisco”, “Don Genarino”, “Don Goyo [c]”, “Don Ismael”, “Don Teodoro”, “El diablo”, “Nicoleño”, “El sanjuanino”, “Hotel Buenos Aires”, “Hotel del Globo”, “Hotel España”, “Hotel de Francia”, “Mechita”, “Mi china [b]”, “París Hotel”, “Ricardito”, “Rico Tipo”, “Royal Hotel”, “Se va la cuarta”, “Silbido [b]”, “Socialismo”, “Tome el 8” (tangos); “María [c]” (habanera); “Brisas rosarinas [b]” (waltz), and he also composed mazurkas, masses and marches.