Scott Rose has dug up for us a little-seen youtube video of Charles Aznavour appearing on the Nana Mouskouri in one of his darkest songs, Hier encore (Yesterday, when I was young). Aznavour is a master of his art. But just watch that piano man.
And here, below, is the more conventional accompaniment.
And here he is again with a Mozart-style accompaniment for Nana in ‘Plaisir d’amour’.
Oh, and here’s how not to sing it: