Paul McCartney is inviting fans to work out the “wacky chord” that inspired his new solo album, The Boys of Dungeon Lane – and it's sparked a hearty debate online.
The nostalgic album is Macca's first in six years, and was written and recorded with mega-producer Andrew Watt. As the legendary Beatle reveals via Instagram, their very first session together proved fruitful and set the tone for the entire record.
