I'll always prefer the vulvaphone.
Rather than any ingenious trick, I think of it in wholistic terms, I hope. And that means the player is going to have to be playing not just the amp or their voice or the drums but the room. If they musician can become conscious of the way the room reacts to what they are doing, and they can be placed in a way to make the room in phase with and supporting the source, then you can mic the room, not just the source.