Catch McCartney's full Carpool Karaoke, featuring mobile versions of "Drive My Car" and "Penny Lane", up top.
As he led Corden through the home (even sitting down at the piano to sing "When I'm 64"), he told Corden how his father had critiqued "She Loves You", suggesting they replace the "yeah, yeah, yeahs" with "yes, yes, yes". I hope you like it.
As part of the video, the pair embarked on a journey around McCartney's hometown, visiting Penny Lane and his family home, which he saw for the first time in 50 years.
Back in the vehicle, the legend recalled his late mother coming to him in a dream in the '60s, in which she said "It's going to be ok" and "Let it be".More news: US leaving UN Human Rights Council -- "a cesspool of political bias".
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Nostalgia was certainly in the air as they came to St. Barnabas' Church, where McCartney reminisced about his choir boy days. McCartney replied. More from their joy ride here. "I feel like it's more relevant now today maybe than it's ever been".
The singer revealed that the band thought their music would only last 10 years and expressed his shock at its continued endurance.
When the 18-time Grammy victor explained to Corden that The Beatles' "Let It Be" was inspired by a dream he had about his mother, the late-night host started tearing up.
As they made their way down the road, the song began to play on the radio and the former Beatle sang along before they left the vehicle and the singer signed his autograph on the road sign.
The Drive My Car hitmaker also treated locals to an impromptu session in a city centre pub, which got rather emotional for Corden.