Knowledge of this demo’s existence was made publicly known on June 4th, 2021 (Interview was originally done on January 14th, 2021), when Jeff Blue and Rob McDermott were interviewed and Blue pulled out the so-called “box of demos” and talked about a decent amount of the demos that were in the box. When Jeff mentioned the Hybrid Theory Complete Demos CD, this what he said: “This is the Hybrid Theory Complete Demos. So this had, I don’t know if you can see all that. Can you see that? You know, so we put everything down. It had the previous vocalist (Mark Wakefield). ”Slip“, ”Blue“, ”Pictureboard“. ”Turn To Grey“ was on there.”