His name was Billy Preston.
-I hope I am right... :)
Film Scoring is both a rewarding experience and a chance to work on something that may or may not be lyrical. Songs they produce become theme music for the overall work when there is usually one writer for a specific movie. Anecdotal melodies will bleed through to the other songs in the soundtrack as nods to specific characters or events :)
Answer:
The effect Denis Diderot have on the field of art criticism is that he was the first critic to use philosophical approach to critiquing.