Page has discussed the chances of recording material several times in recent years, but he's been concentrating on the Led Zep remaster series, currently being launched in batches.

The pair have exchanged strong words in the past months, with the guitarist continuing to hope for a reunion, and the vocalist insisting he's not interested - although he's offered to work with his colleague again on acoustic music.

Now Plant says: "He should get on and do something. He's a superb talent. That's the sad thing for Jimmy - he knows I'm his guy, I'm his pal. But the warmth he needs to actually enjoy the world, it's all there. Come on and give it to us."