Here's a bad-quality version of the opening; the original composer came back to make a new version of the iconic song:
The original soundtrack feels really important to me, as I listened to it dozens of times as a teenager. Knowing that it will be part of this adaptation/remake make me think it will be handled with a reasonable degree of competence.
There does seem to be a trend in film trailers where they have, on several occasions, nearly put me off seeing a film that I actually enjoyed in the end.