Music Video Time! This contains some naughty words, so prepare yourself. To make up for it, the videos are hilarious.
I present to you, the most awesome bar-closing song evar, "What's it Gonna Be". It's efficient, clocking in at 2 minutes and 16 seconds. But it certainly gets the central theme of the song across :)
Now this one is great for two reasons. First of all, it's a cover of a death-metal song by a band called "Cannibal Corpse". Done lounge-style. Secondly, the guy does a great job. Inspired even. Feast your ears on this: