The video ends with Martin improvising a song for the star, who watches in astonishment as the music comes to life.

"To my astonishment, I appear to be still here and it's happening," she said.

They assume varied states of reaction to the event — astonishment, meditation and incredulity among them.

In one, she clasps her hands — one diamond-laden, of course — to her mouth in astonishment.

“I put out some feelers, and to my astonishment, they said, ‘Yeah, come along,’ ” he said.