The voice is frail but you can still hear the braggart in it. That's authenticity for you.
The piano playing isn't what it was either, but with a rhythm section and guests like these, Jerry Lee's failing plunkability is barely an issue. Indeed, everyone involved seems to have been galvanised by the presence of The Killer.
Keith and Mick, Clapton, Fogerty, Welch, Solomon, Mavis et al all put out for the mean old man. And if some of the material borders on the trite, there's no arguing with the vibe. Country. Rock. Roll.Reuse content