Began composing at age six
At age 12, enrolled in a a four-year harmony program at a music conservatory; variously reported as completing it in two years or six months (date approximate)
Became protege of composer Goffredo Petrassi
Performed as a trumpet player in nightclubs
Began composing and arranging scores for RAI television in the mid-1950s
Worked for RCA record company through the mid-1960s arranged songs by the likes of Mario Lanza, Renato Rascel and Rita Pavone
Composed incidental music for various Italian plays including "La Pappa Reale" (1959), "Il Lieto Fine" (1960) and "Enrico 61" (1961)
First film score, "Il Federale/The Fascist", an Italian feature
Contributed songs to the revue "La Manfrina"
First collaboration with Italian filmmaker Bernardo Bertolucci, "Before the Revolution"
First collaboration with Italian filmmaker Sergio Leone, "A Fistful of Dollars" starring Clint Eastwood
First collaboration with the Italian filmmaker Marco Bellocchio, "Fists in the Pocket"
Became member of experimental music group Nuova Consonanza (date approximate)
Reteamed with Leone and Eastwood with "For a Few Dollars More" (released in the United States in 1967)
Scored ballet "Requiem per un Destino"
First collaboration with Italian filmmaker Pier Paolo Pasolini, "Hawks and Sparrows"
First collaboration with Italian filmmaker Gillo Pontecorvo, "The Battle of Algiers"
Composed his most well-known piece of film music, the theme to Leone's "The Good, the Bad, and the Ugly" (film released in the USA in 1968)
First collaboration with Italian filmmaker Elio Petri, "A Quiet Place in the Country"
Scored Pasolini's "Teorema"
First collaboration with Italian filmmaker Dario Argento, "The Bird with the Crystal Plumage"
Collaborated again with Leone on "Once Upon a Time in the West"
First US feature credit, Don Siegel's "Two Mules For Sister Sara" (starring Eastwood)
Scored Pasolini's "The Decameron"
Worked on the score for Dario Argento's "Four Flies on Grey Velvet"
Scored Damiano Damiani's "Il Sorriso de Grande Tentatore/The Tempter"
US TV debut, scored and served as music director on the six-hour CBS miniseries "Moses -- the Lawgiver" (also TV acting debut of Burt Lancaster)
Received first Academy Award nomination for his haunting musical score for "Days of Heaven", directed by Terrence Malick
Provided uncredited opera music adaptations for Bertolucci's "La Luna"
Had more television success with the score for "Marco Polo" (NBC)
Scored Leone's "Once Upon a Time in America"
Conducted a series of concerts of his work throughout Europe
Wrote the score to "The Mission", directed by Roland Joffe; garnered second Oscar nomination
Composed and orchestrated the atmospheric music for "The Untouchables", directed by Brian De Palma; received third Academy Academy Award nomination
Scored "Casualties of War" (helmed by De Palma) and "Old Gringo"
Was the subject of an Italian TV documentary entitled "La Musica Negli Occhi"
Composed and conducted the score for Barry Levinson's early mob tale "Bugsy"; picked up fourth Oscar nomination
Scored the Roland Joffe-directed drama "City of Joy"
Contributed the music to the Clint Eastwood action blockbuster vehicle "In the Line of Fire"
Scored "Wolf", a modernized werewolf film starring Jack Nicholson; also composed the music for "Disclosure" and the remake of "Love Affair", produced by and starring Warren Beatty
Wrote score for "Who Killed Pasolini?", a provocative feature film investigation into the murder of the famed director
Composed and orchestrated the music for the controversial remake "Lolita" and Oliver Stone's "U-Turn"
Scored the political satire "Bulworth", directed by Warren Beatty
Created the sweeping music for "The Legend of 1900/The Legend of the Pianist on the Ocean"
Wrote the music for Dario Argento's remake of "The Phantom of the Opera"
Reteamed with De Palma for the score to "Mission from Mars"
Penned the lovely score for "Vatel", Roland Joffe's 18th-century romance
Earned fine notices for his music for the Italian film "Canone Inverso/Making Love"
Garnered fifth career Oscar nomination for the score to "Malena"