The Beatles enthusiasts believe they have deciphered the reason behind Sir Paul McCartney‘s departure from the iconic band.

The Fab Four officially disbanded on this day in April 1970, never performing together as a four-piece again. McCartney, who announced on April 10, 1970 that he was no longer collaborating with the group, ignited a media frenzy just before his debut solo album’s release.

His eponymous album, which included the hit track ‘Maybe I’m Amazed’, was initially overshadowed by…