Clearly, a ten-year-old Diana doesn’t need that sort of music, she’s not that kind of badass yet, but the idea that the music is a “different thing” than the new movie as a whole would seem to imply that even by the end of the movie Wonder Woman might not be the sort of character that has that music yet.
Pretty much every trailer for Wonder Woman so far has ended the same way.
As it cuts to the film’s title we’re treated to the same music that we heard when Wonder Woman first appeared in Batman v Superman: Dawn of Justice.
Based on what Patty Jenkins says to Empire, it would appear that we shouldn’t expect to hear it much, if at all, in the new movie.
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Batman v Superman: Dawn of Justice - Wonder Woman's First Appearance