As host of 'Saturday Night Live' (Sat., 11:35PM ET on NBC) this week, Jon Hamm took a break from Don Draper, the repressed, buttoned-up guy he plays on 'Mad Men.' In fact, Sergio, the "crazy sexy" saxophonist he plays in this digital short is about as far as you can get from Don Draper.

Watch the video after the jump.As host of 'Saturday Night Live' (Sat., 11:35PM ET on NBC) this week, Jon Hamm took a break from Don Draper, the repressed, buttoned-up guy he plays on 'Mad Men.' In fact, Sergio, the "crazy sexy" saxophonist he plays in this digital short is about as far as you can get from Don Draper.