The thing that teases the mind over and over for years, and at last gets itself put down rightly on paper - whether little or great, it belongs to Literature.
A movie and a stage show are two entirely different things. A picture, you can do anything you want. Change it, cut out a scene, put in a scene, take a scene out. They don't do that on stage.
It may be that when the angels go about their task praising God, they play only Bach. I am sure, however, that when they are together en famille they play Mozart.