When you think of The Beatles, you probably picture timeless anthems like "Yesterday" or "A Day in the Life." But there's a quirky little track from 1970 that the band themselves held dear—a goofy B-side called "You Know My Name (Look Up The Number)." It wasn't a chart-topper, but for John Lennon and Paul McCartney, it was a secret treasure that reminded them why they started making music together in the first place.
By the late 1960s, the Fab Four's relationship was fraying. Creative clashes and personal tensions were pulling them apart. Yet amid the chaos, there were still moments of pure, unfiltered camaraderie. This oddball song—born from a joke and recorded in fits and starts—became one of those rare bright spots. It's no wonder McCartney later called it "probably my favourite Beatles' track!"
The Unlikely Spark: A Phone Book and a Mantra
The inspiration for "You Know My Name (Look Up The Number)" was as ordinary as it gets. According to Lennon, he was waiting for McCartney at his house when he spotted a phone book sitting on the piano. The cover read, "You know the name, look up the number." That simple phrase struck him as a perfect, absurd mantra. "I just changed it," Lennon recalled in David Sheff's book All We Are Saying.
The song itself is delightfully simple—just that one line repeated over a mambo-style beat. It was never meant to be a serious composition. "That was a piece of unfinished music that I turned into a comedy record with Paul," Lennon explained. The duo first recorded it in 1967, then shelved it for years before revisiting it during the Abbey Road sessions in 1969. It eventually landed as the B-side to their final single, "Let It Be."
A Last Peaceful Moment Before the Storm
What makes this track truly special is the context of its final recording session. By 1969, George Harrison and Ringo Starr were absent, leaving Lennon and McCartney alone in the studio. Sound engineer Nick Webb remembered the moment vividly: "John and Paul weren’t always getting along that well at this time, but for this song they went out on the studio floor and sang together around one microphone." It was a fleeting return to their teenage years, when they wrote songs just for the joy of it.
For McCartney, the memory of Lennon pitching the idea is still golden. "I said, ‘What’s the words?’ and he replied, ‘You know my name, look up the number.’ I asked, ‘What’s the rest of it?’ ‘No, no other words, those are the words. And I want to do it like a mantra!’" McCartney wrote in his book McCartney: A Life in Lyrics. That playful spirit, he said, made the track feel like a glimpse into their lost innocence.
While no fan would rank this B-side alongside masterpieces like "Hey Jude" or "Let It Be," its value lies in its humanity. It's a reminder that even the greatest songwriters of all time valued fun over perfection. For Lennon and McCartney, "You Know My Name (Look Up The Number)" wasn't just a joke—it was a love letter to their friendship. And that, perhaps, is its greatest legacy.
If you're in the mood for more forgotten gems, check out our list of Forgotten Sci-Fi Gems That Are Flawless From Start to Finish or dive into How Paul Simon's 'Graceland' Became His Greatest—and Most Controversial—Album.
