As I stated in my post above, the NON-Omen stuff is absolutely GORGEOUS. Yeah... I guess that a composer is pretty much powerless to protest when the director insists that they create a score similar to another. A real "Catch-22".
jameshorner-filmmusic has republished the following - well-known - James Horner interview for Cinemascore in the early 80s featuring very interesting comments by Mr Horner on his early scores :