Recently from Weekend on the rocks

[dmbstone19]

I've been trying to figure out the little jam that dave does before each member does their own little solo. And he is putting a little slide in their that I can't quite figure out. Could anyone out there tab it out or give some advice. it would be greatly appreciated.
http://www.youtube.com/watch?v=kYUM31cLcRw&NR=1

Starts at about 3:15

Thanks