2022-01: The only music credited to McCartney-Harrison?

... (from the Quarrymen). And the 23 years that should have been one week:

https://faroutmagazine.co.uk/the-only-paul-mccartney-george-harrison-song-by-the-beatles/

1958: Buddy Holly - That'll be the Day

Buddy Holly version:

https://open.spotify.com/track/50RwvvEKX5Q7AZt8FTAwIF?si=Sph8G3uvSjWgoqeAKTliGA

And the Quarrymen version (from the Anthology I):

https://open.spotify.com/track/50RwvvEKX5Q7AZt8FTAwIF?si=Sph8G3uvSjWgoqeAKTliGA