And he's been so touched by the reaction to the release of the career-spanning collection by fans, he's issued a statement on his website thanking them. He says: "Amy and I continue to be grateful for the many kind comments, observations and insights on the entire box set from all of you.

"Realising so many of you have noticed the detail and care that went into every aspect; the story, the music, the photos, the concept and packaging; this means so very much to us and everyone involved. Thanks for your keen eyes and ears and spreading the word for us. Hopefully, more listeners will continue to become aware of this work."