It's a nice medley of some of the saloon songs he'd recorded. The medley consists of:
Sinatra must have been happy with the medley as arranged, because he repeated it for an April 1974 performance at Carnegie Hall.
The saloon song medley was a mainstay of the numerous television specials Sinatra did during his long career. Typically the medley was performed on a set, this one appropriately being a saloon. What's up with the plate of sandwiches and the bowl full of eggs on the bar?? I was a little distracted by that - I mean, there's Sinatra pouring himself into the medley, the camera angle changes, and we're peaking at the singer over a stack of sandwiches and a bowl of two dozen eggs.