'It's torture every time we produce anything,' said singer
Property has been converted into five flats which are described as "the ultimate slice of memorabilia"
'Sgt Pepper's Lonely Hearts Club Band' will be certified triple-platinum following a change of procedure
Previously unreleased recordings to be included on new collection, say reports
Drummer will unveil unreleased version of track along with book of the same title
Dentist Daniel Zuk bought Lennon's molar two years ago for £20,000
Bernstein also brought The Rolling Stones and The Kinks to America in the '60s
The Ringo Starr-penned song will be illustrated by Ben Cort and come with a CD of unheard Ringo tracks
A 35-minute tape of the concert is at the centre of a new legal dispute
The e-book will be released on June 12 ahead of a physical release in December