According to established publishing convention, we use italics for:

titles of
– books and periodicals (newspapers, magazines etc)
– plays and long poems
– operas, ballets, musicals, most types of musical composition including music theatre
– films, videos, and television and radio programs
– works of art including paintings, drawings, sculptures, conceptual and performance art
– names of ships, aircraft, trains and spaceships
– foreign words and phrases (except for adopted words like 'cafe')

When NOT to use italics or inverted commas
– band names
– organisation names
– festival names