His musical career begins in 1979, when he tours Argentina with the MIA (Associated Independent Musicians) group. In 1983, together with the Membrillar group, he records an album interpretingcriollo folk music. In the mid-80s he creates Mozzi y La Cuerda, a group performing tango and River Plate music, which wins the First Ibero-American Young Artist Biennial. In 1990 he founds Mozzi and the Murgón, a band devoted to a personal interpretation of the universe of the murga, a traditional genre characteristic of the Buenos Aires carnival: the Carnavales Porteños album, and several live presentations are witnesses to this stage. He takes part in Sergio Renán’s film El Sueño de los Héroes, as consultant in the visual and musical reconstruction of a period Carnival. Simultaneously, he performs and records with musician Juan Tata Cedrón –for whom he makes a musical arrangement of the album El Botanico, released in France- and together with Andrea Merenzon, is part of Camerata Tango, with which he performs his own works at the Colon Theater’s Salon Dorado.
He composes for the stage and works with Las Gambas al Ajillo, a company emerging from the alternative theater circuit, which becomes a benchmark in the local scene.
In 1998 he records Los Ojos de la Noche, an orchestral album where academic language is blended with urban folk expressions, and which he performs with the Pierrot Lunaire Ensemble Wien at Porgy & Bess (2003) and at the Konzerthaus (2004) in Vienna (Austria).
In 2005 he records a new instrumental album, Matiné, which brings together renowned Argentine musicians from different extractions. In that same year he founds the Matiné Orchestra.
In 2006 he is a leading figure at the massive murga rave at Piazza San Marco, as part of the Venetian Carnival central program.
Between 2005 and 2009 he performs his music together with the Dutch ensemble Quinteto Tango Extremo, in periodical tours round different European and Asian cities. They record the CD Buenos Aires Carnival, released and distributed in the Netherlands. He is also a guest teacher at the Rotterdam Conservatory.
He composes the music for Ajedrez Viviente Tanguero, with costumes by visual artist Nora Iniesta and choreography by Silvana Grill. He also composes the music for Pista Tango, a circus show with a live orchestra presented as a work in progress at the Festival d’Ile de France 2009. He is in charge of the musical production of and composes the original music for Anima Buenos Aires, an animated movie with drawings by Caloi, Nine, Jáuregui and the Faivre Brother and Sister, directed by María Verónica Ramírez.
At the request of Marisa Monte, he writes the string arrangement for El Pañuelito Blanco (Filiberto-Coria Peñaloza) which the singer premiered at the Bradesco Theater in Sao Paulo, accompanied by Dadi Carvalho, Gustavo Santaolalla and Mozzi himself, and which she included in her album O que você quer saber de verdade.
In 2012 the Matiné Orchestra performs on the End of the Year Special of the French-German open television channel Art Canal, and Mozzi also heads the general artistic direction of the show.
In 2013 he releases Estuario, an album of his own productions based on an orchestral conception taking the region’s genres as starting point.
As artistic producer, he is connected with some of the most relevant names in Argentine popular music. As Art Director of the record collection BAM/MBA, within the jurisdiction of the Department of Culture of the City of Buenos Aires, he has produced shows by Adolfo Ábalos, Julio Pane, theBuenos Aires Tango Orchestra, Nicolás Ledesma, Glorias Porteñas, among many others. In 1999 he combines music with the mysticism of football in a project involving a group of artist supporters of the traditional Racing Club: Leopoldo Federico, Atilio Stampone, Eladia Blázquez and Rubén Juárez, among others, participate in the CD La Acadé, in which Mozzi is Art Producer (with Gustavo Margulies) and composes part of the repertory
Together with Gustavo Santaolalla, he is in charge of the art production of the Café de los Maestrosproject, which, from 2003 brings, together the most relevant figures of the 40s and 50s tango scene: Mariano Mores, Leopoldo Federico, Horacio Salgán, Alberto Podestá, Virginia Luque, among others.Café de los Maestros, the double album, is presented live at the Colon Theater in Buenos Aires and is awarded two Latin Grammys and two Gardel Awards to Argentine Music in the categories Best Album Tango Group or Orchestra and Best Production of the Year. The film Café de los Maestrospremiers at the Berlin Film Festival (2008) while the live show begins its performances at the Salle Pleyel and the Palais Royal in Paris, and later conducts tours round Brazil, Belgium, China, Oman and Singapore.
Again together with Santaolalla, he produces the album La criolla in 2004, marking the return to the recording studios at age 93, of the mythical singer Nelly Omar. In a different order, the fusion bandBajofondo trusts him with the artistic production of a traditional version of its international hitPa’bailar.
From 1998 he has coordinated the Music Department of the Centro Rojas, University of Buenos Aires –where he has also been a teacher. He heads the Agronomy Cultural Center, University of Buenos Aires and Government of the City of Buenos Aires, from 1999 to 2001. Between 2001 and 2003 he was Artistic Director of the General Department of Music of the City of Buenos Aires. He was founder and co-head of the program “Discográficas de Buenos Aires” by the Government of the City of Buenos Aires, from 2003 to 2005. From 2008 he has headed the Artistic Direction of the Tango Buenos Aires Festival and World of the Government of the City of Buenos Aires.