Here is my Cornford Harlequin (moded with Celestion Blue Alnico, Mid control, el84-6v6 switch, ...).
Guitar: LP Traditional with 57 plus PU.
A clip using Kemper Tube Screamer first, nothing in the second part and pure booster in the third one.
Another crazy clip using this rig:
The Rig (with TS and booster disabled but ready):