Paul McCartney opened up about how he wrote a lesser-known Beatles track with what he called 'naughty' chords.

George Harrison was starting to make his way into the realm of guitar for years, but it takes a little push to get everyone paying attention.

but - to match the feeling that the song in progress needed - Harrison landed on this dissonant combination. “I'm really proud of that, because I literally invented that chord," George told Guitar ...