It's a new song for the former Beatle, but according to Slate, "its sound is mostly old." And that's a good thing for fans of the Fab Four.
Mark Ronson produced the track and it will appear on McCartney's upcoming album named -- you guessed it -- "New."
The album marks the 72-year-old singer's first release since 2007. While "Kisses on the Bottom" came out last year, it mostly included cover songs.
"New" will release on Oct. 15.