The Voodoo Bar has engaged you to deliver a cease-and-desist to another bar: the Voodoo Guitar.
The cease-and-desist letter is in your inventory (the briefcase bottom left). Give the papers to the tiki-masked owner.
This is the low-spoiler guide for "The Voodoo Bar" puzzle in Nine Noir Lives. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.