This is the chord progression of Once Upon A December – Anastasia by Christy Altomare & Cody Simpson on Piano, Ukulele, Guitar and Keyboard.

[Intro]
Am
[Verse 1]
Am         E      A7              Dm
Dancing bears painted wings
Dm            Am            Dm     E
Things I almost remember
Am            E    A7      Dm
And a song someone sings
Dm     Am             E     Am
Once upon a December

[Chorus]
Dm                                          Am
Someone holds me safe and warm
E                                Am
Horses prance through a silver storm
Dm                                Am
Figures dancing gracefully
B7                      E
Across my memo-ry

[Interlude]
Bbm F Bb7 Ebm
Ahh
Ebm Bbm Ebm F
Ahh
Bbm F Bb7 Ebm
Ahh
Ebm Bbm F Bbm
Ahh

[Chorus]
Ebm                                Bbm
Someone holds me safe and warm
F                                                    Bbm
Horses prance through a silver storm
Ebm                      Bbm
Figures dancing gracefully
C7                      F
Across my memo-ry

[Verse]
Bm  F#         B7      Em
Far away long a go
Em     Bm      Em            F#
Glowing dim as an em-ber
Bm        F#          B7            Em
Things my heart used to know
Em      Bm                F#            Bm
Things it yearns to remem-ber

[Outro]
Em                      Bm
And a song someone sings
Em      Bm      F#            Bm
Once upon a Decem-ber