Opera can be difficult, yes, if you're singing to a big stage. A room such as this or such as the Lobby or Cafeteria, however...that is much more feasible for untrained or smaller voices.

[he considers again, tapping a finger on one of the keys]

Depending on what skills we have available, this is certainly something that could be workable within a week or so. [he seems to be thinking rather hard about this, but eagerly. Having a project to work on really helps distract from the Everything of this place]