Paul McCartney has opened up about what he thinks is the 'greatest song ever' as he paid tribute to the late Brian Wilson.

Brian Wilson, the Beach Boys’ visionary and fragile leader whose genius for melody, arrangements and wide-eyed self-expression made him one of the world’s most influential recording artists, has died at 82.

"Farewell, maestro," he said of the late legend. "Nothing but love and a lovely lasting debt from all of us over here on E Street"