Classical music is frequently used in commercials, tv series, movies, etc. Can we sort out what is what? Take for instance the tune of the lone ranger.. Familiar? Final part of the Ouverture Wilhelm Tell. The full version in an excellent setting (wait till 2:30 min) Another one: Onedin Line. What is the original music? That's easy the Adagio from Spartacus composed by Aram Khachaturián Also classical themes are often 'borrowed' in modern music. For instance: If I had words What is that tune from? Name that music.