Here’s a video showing a 12 bar blues using devices found in McCartney’s early Beatles Basslines:
This is from Day 1 of Cracking The McCartney Code and shows that we’re using McCartney’s ideas to enhance our bass playing and not trying to just become clones of McCartney.
If you want to “crack the McCartney Code” then try out the unique 30 Day Challenge exploring his foundational bass playing: