2/29/80 is, I think, the one and only time Garcia played on an intercalary day (or "leap day" for you non-Julian types). The late show was broadcast on WLIR (Long Island) and a few songs were released on the bonus disc that came with the 2/28/80 After Midnight CD. I prefer the rawer sound of the broadcast to the official release, though. Listen to this "When I Paint My Masterpiece" and hold on: the tone of Jerry's Tiger guitar in 1980 is always a thing to behold, but sweet lord, talk about peeling the paint off the walls! Outta sight.