Okay...
Veldron DJ'ing drunk off his ass at 5am: Machine Head - I'm Your God Now or Rob Zombie - Feel So Numb
Veldron at work: Iced Earth - Melancholy (Holy Martyr)
Veldron agitated/bored/depressed: Metallica - Until It Sleeps or Iced Earth - A Question of Heaven or Fear Factory - Invisible Wounds (Dark Bodies)
Veldron wanting to destroy stuff: Dark Tranquillity - White Noise/Black Silence or Mnemic - Deathbox or Slipknot - People=Shit
Veldron feeling frisky: Dark Tranquillity - Undo Control, Danzig - Five Finger Crawl or Alice Cooper - Dangerous Tonight
Veldron when someone messes with his DJ record: Iced Earth - Violated or Dope - Die MF Die
The choices a few of my fellow DJ's picked for me in a similar thread: Godsmack - I Stand Alone and Metallica - Master of Puppets
There.

I may be retired, but I'm GridStream for life.