Mellowing with age

IanH

So many entertainers just go on for too long and get worse and worse as they get older. They don't seem to realise that their voices are going off key and, basically, they've 'lost it'.

Here is an exception to that.

Don Maclean in his younger days:

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

And in his 'more mature' years:

https://www.youtube.com/watch?v=wH-JGZT79kM

What a true star!

Who else has aged this well? And who hasn't?