Personally I agree with Williams that it was right to cut the music during the duel. As it’s edited, it’s pretty short so it’d feel odd if it was accompanied with an epic, climactic cue like Duel of the Fates. But I’d still be curious to see how it played with that music.
Yeah I think you’re right, it would feel odd. But maybe a variation, something more subtle. Now that I think about it, they did use the first lyrics of the choir when they introduced the Sith cultists