Found some things after searching for that phrase!

"Lost footage of The Beatles' 'Magical Mystery Tour' found"

https://nypost.com/2022/09/13/lost-footage-of-the-beatles-magical-mystery-tour-found/

"My Mother, The Final Girl"

https://www.dreadcentral.com/editorials/436943/my-mother-the-final-girl/

The Beatles – "Your Mother Should Know" Lyrics | Genius Lyrics

https://genius.com/The-beatles-your-mother-should-know-lyrics