Below, learn more about the first time Paul McCartney took the hallucinogen and how it affected his relationship with John Lennon.

In the years after The Beatles split up, both John Lennon and Sir Paul McCartney released solo music - but it's safe to say they were not fans of each other's work at first ...

After The Beatles parted ways and released their own music, Paul McCartney said he only liked one song by his former bandmate ...

Paul McCartney and John Lennon's relationship worsened even after The Beatles split in 1970, but one hurtful incident ...

Paul McCartney said he was put down by a startling 'revisionism' of The Beatles' legacy that happened shortly after bandmate and best friend John Lennon died in 1980 ...

Despite having a catalog loved by the world, Paul McCartney didn't see much to like in this Beatles member's discography, ...

After the breakup of The Beatles, Paul McCartney released his song 'Too Many People' that shaded John Lennon and Yoko Ono, but it was originally more scathing ...

Paul McCartney and John Lennon formed one of the most famous songwriting partnerships in music history as teenagers, so there ...

Paul McCartney and Yoko Ono, the wife of his bandmate John Lennon, had a rocky relationship that carried on years after The ...

Nearly 40 candid photos of the former Beatles will be on display at Cambridge’s BRIDGE Gallery, revealing a glimpse at Lennon ...

The Beatles duo had differing accounts on the writing of the song 'Do You Want to Know a Secret', featured on the band's 1963 debut album 'Please Please Me' which was credited to George Harrison ...