As he took her hand  elsa went through the mirror and into the dungeon they first met as the song began to play

Instrument intor

Elsa

In sleep he sang to me, in dreams he came
That voice which calls to me and speaks my name
And do I dream again? For now I find
The Phantom of the Opera is there
Inside my mind

Ninja

Sing once again with me our strange duet
My power over you grows stronger yet
And though you turn from me to glance behind
The Phantom of the Opera is there
Inside your mind

Elsa

Those who have seen your face
Draw back in fear
I am the mask you wear

Ninja

It's me they heard

Ninja & elsa

Your/My spirit and my/your voice
In one combined
The Phantom of the Opera is there
Inside my/your mind

As the gate opens a pair of candles appear out of no where as elsa began to sing

Elsa vocalizing

Ninja

Sing!
Sing for me
Sing, my Angel of Music!
Sing for me!

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