Gagliardo's been invited in some of the major italian and international opera houses like Teatro Regio in Parma, Teatro alla Scala in Milan, Teatro Carlo Felice in Genoa, Teatro Comunale in Bologna, Teatro dell'Opera in Rome, Teatro Massimo Bellini in Catania, Teatro de la Maestranza in Seville, Théàtre des Champs Elysées in Paris, Opera House in Montecarlo, Bunkakaikan and NHK in Tokyo; he has been invited also by great opera festivals as Rossini Opera Festival in Pesaro, the Wexford Opera Festival in Ireland and in famous concert houses such as Konzerthaus in Vienna and Concertgebouw in Amsterdam.

He sung under the conduction of great maestros like Myung-Whun Chung, Riccardo Muti, Gianluigi Gelmetti, Richard Bonynge, Daniele Gatti, Riccardo Chailly, Jordi Savall, Claudio Scimone and he has been directed by some of the most important directors like Pierluigi Pizzi, Giorgio Strehler and Franco Zeffirelli.

He already has performed in vocal concerts (Teatro Regio in Parma, Teatro alla Scala in Milan, Teatro Comunale in Bologna), and he sung the Liederkreis by Shumann for the Symphonic Season of Teatro Comunale in Modena. He sung in the first world performance of Misa Tango by Louis Bacalov at the Accademia di Santa Cecilia in Rome under the baton of Chung, with unanimous consenses.. His concert repertory include also IX Symphony by Beethoven, Requiem Mass by Donizetti, Ein Deutches Requiem by Brahms and the Gloria Mass by Puccini.

He made important debuts such as Papageno in Die Zauberfloete for Teatro dell'Opera in Rome conducted by Gianluigi Gelmetti with whom he frequently collaborates. He gain unamimous consenses both public and critict with his interpretations of the role Hidraot in Armide by Gluck for Teatro alla Scala in Milan conducted by Riccardo Muti and his debut as Giorgio Germont in La traviata by Verdi for Teatro dell'Opera Giocosa in Savona. At the Lugo di Romagna festival he sung the two opera rarities Une education manquée by Emmanuel Chabrier and Le peuvre matelot by Darius Milhaud. He came back in Savona for Don Giovanni and La Traviata and in Teatro dell'Opera di Roma per Don Giovanni (Leporello), I pagliacci (Silvio), Adriana Lecouvreur (Michonnet), Il barbiere di Siviglia (Figaro) with the famous italian actor Leo Gullotta, La bohème (Marcello) in the famous La Scala production by Franco Zeffirelli and again Die Zauberfloete (Papageno). To be noticed his debut in Teatro Municipal in Santiago del Chile as Michonnet in Adriana Lecouvreur under the direction of the famous soprano Renata Scotto near Veronica Villaroel in the title role. Critics successes also for the performances of Don Carlo in Ernani for Teatr Wielki in Poznan and Don Geronio in Rossini's Il turco in Italia for Teatro Marruccino in Chieti as well as his participation at Teatro dell'Opera in Roma inauguration with the never performed Respighi's Marie Victoire under the direction of Hugo de Ana and Donizetti's Le convenienze ed inconvenienze teatrali for the Montecarlo Opera Theatre, Strauss's Ariadne auf Naxos as Harlekin for Teatro Verdi in Trieste. Important and successfull come back for Respighi's La bella dormente nel bosco and De Falla's El retablo de Maese Pedro performed at Teatro Comunale in Bologna. Recently he perfomed successfully the role of Kyoto in Mascagni's Iris for the Livorno, Lucca, Rovigo and Pisa's theatres the title role of Puccini's Gianni Schicchi and Schaunard in La bohème at Teatro del Maggio Musicale in Florence under the baton of Stefano Ranzani and in the historical Jonathan Miller production. Great success of public and critics for his debut in the role of Conte Almaviva in Le nozze di Figaro by Mozart under in the new Viterbo Lina Wertmuller production and the revival of Così fan tutte in Rome under conduction and direction of Gianluigi Gelmetti, the debut at the National Opera of Greece in Athens as Rimbaud in Le Comte Ory by Rossini and the role of Sonora in Puccini's La fanciulla del West in the Metropolitan Del Monaco production.

Between future engagements figure the debut at the Gulbenkian Concert Hall in Lisbon for the Missa de Santa Cecilia by Nunes Garcia conducted by M° Claudio Scimone, Shaunard in La bohème for Settimane Musicali in Stresa and for RAI Auditorium in Turin under the baton of Gianandrea Noseda and in a new production for Teatro Regio di Torino, the comeback in the role of Figaro in Il barbiere di Siviglia for the Teatro dell'Opera di Roma, the role of David in L'amico Fritz by Mascagni in Timisoara under the baton of M° Alberto Veronesi, Don Giovanni in the title-role and again Figaro in Il barbiere di Siviglia for the National Opera in Warsaw.

Among his recordings figure Don Giovanni for Kikko Classic conducted by Elisabetta Maschio and recorded live in Teatro Comunale in Sassari, Persiani's Ines de Castro under Bongiovanni label recorded live in Teatro Pergolesi in Jesi, Massenet's Sapho for Fonè label recorded live in Wexfor Opera Festival. Available now Rossini's Il turco in Italia for Naxos recorded live in Teatro Marruccino in Chieti and the DVD of Puccini's Il trittico conducted by Riccardo Chailly recorded live for the Christmas Concert in the prestigious Concertgebouw in Amsterdam. Gagliardo appeared as himself also in the movie Il gioco by the italian director Claudia Florio opposite to Jonathan Price. Soon will be available the DVD recording of Mascagni's Iris in the Federico Tiezzi production filmed live in Livorno in september 2006. Massimiliano Gagliardo is finishing his DAMS Music degree at the Turin University.