Originally Posted by Lonniebealestreet
It wasn't the point of no return, but I think a turning point worth noting took place around the time of Elvis' 4th Vegas engagement in January of '71.
He apparently had a cold during this engagement, but I don't think that alone would account for what I hear in the recordings I've heard from this time. To me Elvis seems rather agitated, obviously bored, and really not all that into it. His spirit just isn't the same at all.
This apparent darker state of mind would pass, but this was the first point at which it was clear a considerable change had taken place in his stage demeanor. I'd say that was a reflection of the way things were away from the stage, but also caused in large part by his commitment to be there.