Here is Joe Cocker at Woodstock.  I was at Woodstock (weren’t you?) but somehow I have no memory of this amazing performance.  I did see him in concert a few years ago, minus the tie-dyed t-shirt and without quite so much of the spasmodic air guitar.  But he still had The Voice.

https://www.youtube.com/watch?v=bRzKUVjHkGk