Paul McCartney has said that he has heard Elvis Costello - with whom he has worked on a number of occasions - as a voice in his head scolding him for using Auto-Tune.

Reacting to Macca's comments, Costello told EW, "That’s one of the greatest things. Can you imagine my shock? I never quite get over that I know Paul. Because he’s Paul, and yet he’s so very kind.

"And to always kind of be remembering me fondly as that contrarian voice in his head, it’s nice to be remembered that way."

63-year-old Costello has also said he has been heartened by the good wishes he has received following surgery for prostate cancer.

He will soon resume touring with The Imposters to promote their new album Look Now, following cancellations earlier this year after his cancer diagnosis in March.

"It was very, very reassuring to know that people were concerned that I was okay, but, you know, you will see a few remarks from people going, ‘I never liked him anyway.’

"And it’s good to think Paul McCartney still thinks I might be disapproving of the idea that he had Auto-Tune on his record."

But would Costello be disapproving, asked EW? "He can do what the hell he wants!" replied Costello.

Paul McCartney's 1989 album Flowers in the Dirt album featured several songs which he co-wrote with Costello and a duet between the two. They also co-wrote the song Veronica, which appeared on Costello's album Spike in the same year.

Careful with that Auto-Tune, Eugene . . .