This is just a one shot that came to my mind and I decided that it must be written and put on here. It takes place after Christine's death in the end of the movie before the withered old shell of Raoul arrives.
Arriving on horseback, an old man who is a shell of the man he used to back climbs down. He still wears a cape and fancy clothing, as he has since he was a teenager. Now he walks with a cane and has not worn his mask or any wigs since the loss of the Opera Populaire so many years ago. It's almost a distant memory now a day. He slowly makes his way down the path with a red rose that he has slid an engagement ring onto. For it is the anniversary of when she became famous. Also the day she ran into Raoul and ruined him emotionally for life.
He slowly walks up to the Grave of Countess De Chagny. The withered, deformed old man lays the rose on the tombstone and begins to shed tears as he looks at her tombstone.
"Oh Christine…" He says out loud to himself, "You were my angel. My Angel of Music. I could never apologize enough then and can't even now for the way I began to act when Raoul came around. I did and have always truly loved you. All I wanted was for us to continue our music of the night. It was selfish of me. I just wish I had realized that when I still had my chance. Oh Christine. If I could wine the clocks back and do that one year all over again I would. I would have been better to you and have shown why you could have loved me more than you ever did him. So many times I wanted to end my life over what I did. But then I remembered that I must live with what it is I did. I only hope that one day you can forgive me. One day soon I'll see you in another life and be able to tell you this. Perhaps one day my love… Maybe. I can only hope. For I haven't much longer in this mortal hell and I won't be able to leave with a clean soul. Hence why I ask now." He looks in the yonder and sees a withered old man in a wheel chair being pushed up to the grave by a nurse and a chauffeur.
"As he always has he comes and ruins my private moment again. Once again I return down once more to the darkness of my black despair as dark as hell!"
He turns and returns to his horse and rides into the distance. He sees the withered shell of a man laying his music box onto the grave and notices the rose. The old deformed man smiles as he sits on top of his horse.
"Perhaps the word is mine after all. Unspoken. More hurtful then any word to be uttered." He says to himself and rides off for the last time. Never to return from his solitude.