• Paul McCartney performs on Opening Night of the One On One Tour at Save Mart Center on April 13, 2016 in Fresno, California.

Paul McCartney performs on Opening Night of the One On One Tour at Save Mart Center on April 13, 2016 in Fresno, California. (Photo : Getty Images/ Steve Jennings)

After almost 46 years, Beatles singer Paul McCartney has broken his silence on his past depression when his group disbanded in 1970. He turned to binge drinking and almost quit music altogether.  

In an interview with BBC radio's Mastertapes for Radio 4, McCartney talked about his life after the band decided to part ways. The dissolution of the band was a heartbreaking experience for him.

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Life was not easy after Beatles as McCartney wondered what would be his next move after coming out from a very popular group. Out of despair, he formed the band Wings.

"I was so depressed," McCartney told the radio station. "You would be. You were breaking from your lifelong friends."

McCartney said he was so down that he resorted to alcohols and at first, drinking was for fun that it helped him get away from his troubles. It took a while until McCartney realized that he needed to move on but the Wings band did not get the same response from the public as the Beatles did and was often criticized.  

Later, McCartney was joined by his late wife Linda McCartney in the new band. He confessed about the criticisms fired at them and agreed that they were not that good.

During that time, Linda could not play but he said that she learned. He went on to add that he could have just called Eric Clapton, Jimmy Page and John Bonham and just formed a supergroup.

In addition, Paul opened up about his relationship with Beatles member John Lennon. With their past row, the former described how glad he was that they were able to iron out their differences before his dear friend was killed in 1980.

"Here Today" was personally written by McCartney to Lennon, two years after the latter passed away. Part of the lyrics were words describing McCartney's love for Lennon.

As for his recent projects, McCartney brought up his collaboration with Kanye West on Rihanna's song "FourFiveSeconds." McCartney revealed that his relationship with West was different because they never wrote a song together, but share each other stories.

Despite his name in the music scene, McCartney remained humble and revealed how West inspires him. He also expressed his love and respect for Kim Kardashian's husband.

Meanwhile, McCartney has been busy lately for the preparation of a six-part virtual reality documentary series. The VR series "Pure McCartney" was filmed in his home while he remembered anecdotes and memories connected to his different tracks, according to Hollywood Reporter.

The VR series is directed by Tony Kaye and produced by Jaunt. It is slated for a June 10 release.

Take a peek on McCartney's interview with BBC's radio: