It doesn't make any sence to change the music levels to compliment the sound FX in this case. The original unused cue was meant to be played loud. Either it's incorporated they way it is or it's not used at all. Boosting the level of the sound FX is not a good idea either because you will loose the impact of the music. They both have to balance each other out. Thats the problem with the unused cue, it doesn't balance very well with the sound FX, and that makes it distracting. I really don't see why anybody would want the unused cue over the well established film cue which compliments the sound FX alot better reguardless of the continuity flaw, which has never bothered me or anyone I know for that matter.