For all the labours of love that find their way onto a final master tape, some songs were never meant to be listened to past an artist's rehearsal space.

To continue the artistic theme, initial copies were given individual numbers, resembling editions of limited-run artworks or poetry books. In 2015, Ringo Starr’s personal copy, numbered 0000001 ...

A unique painting by the Beatles, created during their 1966 Tokyo stay, was sold for $1.7 million at Christie's, exceeding its initial estimate. A painting made collaboratively by the Beatles during ...