This is a free interpretation by Tempest Shadow from the song by Ponyphonic.

Thank you Octavia for maneuvering the bow on the Cello.

Download link : https://pony.fm/tempestshadow

The story of Nightmare Moon is a tragic one that’s been told over and over. It´s about Princess Luna’s downfall and Celestia’s guilt for not being able to prevent it. Everyone knows the anger and loneliness that Luna felt as she fell to the Nightmare and was imprisoned.