It 'somehow sounds like The Beatles' because all 4 of them are on it, and it was written by one of them.
The types of songs written by L&M, or individually is so vast.
How about comparing Yesterday and I'm Down, both Macca songs, and, believe it or not, Yesterday was recorded the afternoon after I'm Down.
Helter Skelter and For No One, Glass Onion and Goodnight.