Yes, "Yesterday" is the correct spelling of the title of the 2019 film directed by Danny Boyle. The movie centers around a struggling musician, Jack Malik, who, after an accident, finds himself in a world where the Beatles never existed. He then begins to perform their songs as if they were his own, leading to unexpected fame and complications. The title reflects the themes of nostalgia and the impact of the past on the present.

Paul McCartney expressed that he enjoyed the movie "Yesterday," appreciating its unique premise where a world without The Beatles' music is explored. He found the concept intriguing and praised the film for its light-hearted and whimsical nature. Additionally, McCartney noted that the film's use of Beatles' songs was done in a respectful and clever way, contributing to the story's charm. Overall, he seemed to be pleased with how the film celebrated the band's legacy while delivering an entertaining narrative.

At the end of "Yesterday," Jack Malik, the protagonist who becomes famous for performing Beatles songs in a world that has forgotten the band, realizes the importance of authenticity and true love. He decides to confess his feelings to his childhood friend, Ellie, and they rekindle their relationship. Jack also chooses to step back from fame and live a more genuine life. The film concludes with Jack performing a new song inspired by his experiences, reaffirming the idea that love and connection are more significant than fame.

Yes, "Yesterday" refers to the day before today. In the context of the movie, it explores a world where a struggling musician wakes up in a reality where The Beatles never existed, and he becomes famous by performing their songs. The title plays on the theme of nostalgia and loss, as the protagonist navigates his newfound success while grappling with the implications of a world without the iconic band's influence. The film blends comedy, romance, and music, ultimately celebrating the enduring power of music.