Hey Jude climaxes with one of pop's most legendary hooks." Julian Lennon discovered that "Hey Jude" had been written for him almost 20 years after McCartney composed the song. He recalled of his and McCartney's relationship: "Paul and I used to hang about quite a bit – more than Dad and I did. We had a great friendship going and there seems to be far more pictures of me and Paul playing together at that age than there are pictures of me and my dad." In 1996, Julian paid £25,000 for the recording notes to "Hey Jude" at an auction. He spent
Hey Jude (Beatles album) of a similarly timed decision to reduce the price from $6.98 (SO- prefix) to $5.98 (SW- prefix). The record jacket was prepared late enough so that it lists the catalogue number as SW-385. The SW-385 catalogue number appears on the label of later pressings that bear the title "Hey Jude" on the label. Klein authorised the release of the album as a sales buffer during post-production of the delayed "Let It Be" album. In 2007 Neil Aspinall claimed that the back cover was supposed to be the front cover and vice versa but that Klein had reversed them in error.