How do you get a liquor company to be a sponsor at a dance function.?

I want to have a dance event in memory of Luther Vandross in July 2009. I need a sponsor to assist in the finances. What steps can I take to make this happen. Any liquor company will do.|||Contact their customer relations department. They will probably ask for a formal letter of application explaining what you want (and what they will get out of it).|||send them a convincing email as to why they should sponsor you