Why do so many horror film scores today sound similar to The Exorcist from 1973? A lot of that is thanks to Krzysztof Penderecki, a Polish composer whose music was used by director William Friedkin to score The Exorcist. Penderecki's...

Whether it's the theme to Harry Potter or Star Wars, symphonies are increasingly adding music from much-loved movies, TV shows and video games to their repertoires