I think we can all hear some sound enhancement on the video, but it is clearly Bob playing barehanded (as I note below) and singing. The reverb adds some depth, but I do believe we are looking at a real-time recording of Bob doing the number.
: Jim, the blurb mentions "five new music videos created especially for the 60th
: tribute." Do you know what Trio configuration appears in those videos?
: By the way, Bob still sounds great. How does he do it? Close your eyes when you
: listen to him, and it's 1959 all over again.