Sir Cliff revealed that he had “more duets” planned for the future, including one with Elaine Paige and another with “the king of harmonies” Tony Rivers.
He also hoped to sing alongside Shania Twain, who he felt had a “tremendous voice”, after she rejected him twice because of a “throat infection” and “being on tour”.
However, Sir Cliff had a plan to record a song alongside his muse, who he claimed transformed him “from plain, old Harry Webb” into a rock and rock star.
Cliff Richard: Singer revealed his heartbreak over not being able to record an Elvis Presley album
Elvis Presley: US singer and his ex-wife Priscilla Presley divorced in 1973 after six years together
He said: “I’d love to do the same on a whole album of his songs. The concept is so exciting to me that I have spoken to his widow Priscilla about it.”
Sir Cliff claimed that The King’s ex-wife, who he was divorced from in 1973, “likes the idea” but only has “some say in the matter”.
He continued: “Sony Music own the rights to all of Elvis’ recordings and they will never let me do it.”
Priscilla told him: “‘If it was down to me, I would say Yes… Because Elvis knew all about his competition.’”
Cliff Richard: Singer said he had no luck when he tried to ‘break the US’ and had many jinxed tours
Despite being unable to record his songs from her approval alone, he was flattered by her comment and exclaimed: “Really! Did he know about me?”
Priscilla said: “Oh, yes… Elvis kept an eye on his main rivals, all over the world. He certainly knew all about you!”
While a duet alongside recordings of Elvis seems unlikely, Sir Cliff admitted that he had already commissioned artwork for the album cover from a Spanish artist.
He continued: “He did a great job – we look as if we are on stage together. It’s still a treasured possession, and it would make a perfect album cover.
Cliff Richard: Singer’s ‘secret early relationship’ exposed [INTERVIEW]
Cliff Richard’s horror at Coronation Street ‘chubby’ snub exposed [INSIGHT]
Cliff Richard’s harsh snub over rival Elvis Presley weight exposed [ANALYSIS]
Cliff Richard: Singer was due to mark his 80th birthday last month with an international tour
“I can picture it now, with the title across the top in Elvis’ famous font – ELVIS AND CLIFF!”
In what seemed to be a final pitch to record the album, Sir Cliff claimed there would be interest because fans were always split between himself and The King.
He said: “I still meet women of my age today, who tell me, ‘Oh, my sister loved you, but I always used to love Elvis!’ – ‘Ha! Me, too!’ I usually say.
“So maybe it is true – it was always Elvis or Cliff. And I think there would be a market for us duetting.
“My fans loved Elvis – after all, I’ve always given him the credit for my very existence as an artist! Who knows? We might sell a million copies…”
Cliff Richard: The Dream was published by Ebury Press last month and is available here.