Plant says: "I found some quarter-inch spools recently, and I had a meeting with Jimmy, and we backed them up and listened to them, and there's some very, very interesting bits and pieces that probably will turn up on these things.

"I'm desperately trying to get this one track � or the two tracks of John Paul Jones singing lead. And so far [Jimmy] is up to giving me two cars and a greenhouse not to get them on the album," he said. "Oh, John, wherever you are� you can't wait to hear yourself singing all over the world! La la la la la la la�"