Reading the crowd: For Mobile DJs

As a guide to newly mobile Djs who have paid for their controllers. 

Set up the laptop. They have all the latest music. Investing in lights and the loudest speakers. Get to their first gig with people they do not know and panic sets in. I was this DJ and I want to share my experiences and guide anyone looking for insights in DJing parties in a new way. Keep in mind you may separate yourself as a DJ after reading this.