I've uploaded this entire scene for the procedural materials and mixed physical and HDRI lighting, so you can play, study or modify it to your liking. It contains a series of Studios and Set-Ups, with the lights on and off, and the clay renders.
The wall panelling displacement maps have been sourced for free from textures.com.
I've also included the original Rhino CAD files of the lamp, in case you want to use it for some other project.
Note: The scene has been created with KeyShot 9, it may be incompatible with previous versions of the software
KeyShot scene with models, spotlights and hdri lighting, plus the materials themselves that can be saved as a preset + The original Rhino CAD file