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 ends of bridges", since "The flat seventh that posed dominant turns into bridges now has an entire chord built on it." This three-chord refrain allows McCartney "a bedding ... to leap about on vocally", so he ad-libs his vocal performance for the rest of the song. In Riley's estimation, the song "becomes a tour of Paul's vocal range: from the graceful inviting tones of the opening verse, through the mounting excitement of the song itself, to the surging raves of the coda". "Hey Jude" was released on 26 August 1968 in the United States and 30 August in the United