Hayes' first public performance was a duet with his sister at church when he was 3.
Her singing voice was outstanding, whether in the crowd-pleasing protest performance or in a duet with Arnold's Joanne.
In fact, so delighted were they that clapping could hardly be kept down several times in mid-performance, especially following the famous duet between Papageno and Papagena.
I half expected him to duet with Elmo or Big Bird over breakfast.
The song is a duet between a bloke who pines for a woman who passes him on an escalator and a hypothetical version of the girl in question.
The first half will include a soprano duet by Handel and a composition by Philip Martin for viola, cello and piano.
Fascinated by toys and their miniature mechanisms, Ravel wrote his Mother Goose suite for two musical children as a four-hand duet .
So I choose the featured DJ for that gig, and then I pick a few musicians and we duet with the DJ, and then we all play together at the end.
Luciano Pavarotti and Tom Jones are to duet on a rendition of the 1968 hit Delilah during a charity concert in Modena on Tuesday night.
And more than that it was an opportunity, possibly unique in Motson's career so far, to duet with Mark Knopfler in front of a live national television audience.