These themes highlighted all the Jurassic Park films from the original in 1993 through Jurassic World and presumably the new edition Jurassic World: Fallen Kingdom, to be released in June.

Williams has composed many memorable themes for movies, but the interesting thing is that he possesses one characteristic that is not very common among “tonal” composers:
He tends to modulate on the themes, as demonstrated in this excerpt.

Hear excerpt