I came across this rather lovely clip where, at 2:34, Idris Elba plays a guitar and gets Paul McCartney to guess some chords without looking. Paul says "This could be embarrassing", meaning for himself, and Idris, thinking Paul meant embarrassing for Idris, says "Yeah, do you remember the time you pulled out a guitar in … Continue reading Idris Elba, Paul McCartney and the mutation of chord memory