The Projector Metaphor by David Hoffmeister – “In the projector room, Within the projector, Is that this glowing, brilliant, radiant gentle. That’s an excellent metaphor for your Holy Spirit. That outstanding light appears to pass through the film, that's crammed with many dim pictures…” The phrase “Mastering” is loosely applied https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw