Unexpected thematic connections in Frozen

Did you ever notice that Elsa sings the same melody in Let it Go's pre-chorus & her solo in 1st Time in Forever?

She also sings it twice in the 1st Time in Forever Reprise: her solo (in major!) and duet with Anna (back to minor!)#DisneyMusicTheory #Frozen @Disney @Lyrikris10 pic.twitter.com/QCZqFUrwjQ

— Disney Music Theory (@DisneyMusTheory) December 7, 2018

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[2] @chriswmwhite tweeted a few days ago that Let it Go might be the 1st Disney anthem with a pre-chorus. Well, it's not just any pre-chorus! Is this an expansion of the form, or is it inserting a bit of "1st Time in Forever" into "Let it Go" for the sake of musical storytelling?

— Disney Music Theory (@DisneyMusTheory) December 7, 2018

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[3] So, why? What is this telling us? Her solo in the "1st Time" reprise is a total reversal of her solo in the earlier version: same tune but major not minor, w/ confident lyrics, not fearful. And then, a minute later in the duet, she reverts back to her earlier, fearful state.

— Disney Music Theory (@DisneyMusTheory) December 7, 2018

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[4] What do y'all think? When we notice this subtle detail in the music (not just the lyrics, but the music itself), how does that influence our understanding of the story?

— Disney Music Theory (@DisneyMusTheory) December 7, 2018