I've only seen it "from within" being one of the Ram Company.
We did it last year at festivals in Derby, Chippenham, Cheltenham and Haddenham as well as a couple of theatre performances. Coming up are Ashover, Broadstairs and Tenterden with some others in the pipeline.

There's a collage of pictures and music at -

http://www.youtube.com/watch?v=eOrZEhU5rBI

Mitch
http://www.ramcompany.co.uk