So I was listening to this podcast called RadioLab. They talk about inspiration, and it immediately made me think of Sorceror, so I thought I would share.
http://www.radiolab.org/2011/mar/08/me-myself-and-muse/ (http://www.radiolab.org/2011/mar/08/me-myself-and-muse/)
Kind of neat, huh? Sorry to just link and run, but this sounded like a powerful framing of Demons, especially the way Waits interacts with it.