“There’s a great strength in me showing you a chord or a riff or something, and it’s just going from mind to mind, there’s no paper involved. All of what we did in this very studio would be that. It was really an immediate transference of ideas.”
– Paul McCartney on The Rest is History podcast on YouTube.

This chimes with the Japanese concept of ishin-denshin, heart-to-heart communication, which is central to the Shu Ha Ri way of learning I’ve written about.

Three of the Beatles are gathered in a studio, holding guitars and engaging in conversation with George Martin.