An allusion to Biz Markie’s song Vapors.
http://www.youtube.com/watch?v=Cv3sAFe1FCM

One man with a gun can threaten the lives of many. All it takes is one bullet to end someone else’s life, so think with your dome before you reach for your chrome.

Possibly an allusion to Marvin Gaye’s song, What’s Going On?

This part of the chorus is probably influenced by Marvin Gaye’s song What’s Going On? where he questions the purpose of wrongdoings and atrocities going on right before his own eyes.
http://www.youtube.com/watch?v=f39Zs0gB87c

The same thing can be applied to Canibus' situation; what’s the need for weapons in a club setting?

The Gun is trying to alert his handler to open the shelf and grab his tool, because danger might be near.

Talib Kweli is looking fresh and is about to be star of the show.

Admittedly, they are both in it for one night, to feel close to someone and have sex without strings attached.

Brand Nubian consists of three MCs (Grand Puba, Sadat X, Lord Jamar) and two DJs (DJ Sincere, DJ Alamo).

They aren’t led astray by mass appeal and blind devotion, but by their own intuition and knowledge gained through experiences.

“If you don’t stand for something you’ll fall for anything”; so you better sit down if you’re not willing to fight for what you believe in.