Like Psycho, Jaws is a film that relies on the slowly rising crescendo of music to build the tension of the inevitable attack of the shark.
Resent having Spielberg in here but it is undoubtedly one of my favourites
Jaws Trailer, via YouTube. This is pre- da-duh-da-duh....da-duh da-duh.... thats why you don't hear it in the trailer.
Jaws -- Trailer for Jaws
JAWS TRAILER 2011
Watch: 'JawZilla,' The 'Godzilla' And 'Jaws' Trailer Mashup You've Been Waiting For
Not that Jaws needs any improving but the sound from the new Godzilla trailer edited into Jaws scenes is pretty awesome.