Kings of Leon on Mick Jagger, lockdown hair and writing songs on bar napkins
By Mark SavageBBC music reporter Twenty years ago, long before Kings Of Leon became festival headliners, Caleb Followill made a deal with one of his friends. "He and I used to go to random bars, all over the world," says the singer. "Wherever we were, if we had a day off, we'd put our finger