The first part of the new Billy Joel documentary, Billy Joel: And So It Goes , premiered at Tribeca Festival in New York City on Wednesday, detailing a dark period in the singer’s life when he attempted suicide twice after he had an affair with his best friend and bandmate’s wife.

As reported by People , Joel — who did not attend the premiere after recently being diagnosed with a brain disorder — and his best friend Jon Small were in a band called Attila while he was in his 20s. After Joel moved in with Small, he gradually became close to Small’s wife, Elizabeth Weber, and their son.

“Bill and I spent a lot of time together,” Weber said in the documentary, describing their affair as a “slow build.” When Small suspected something was going on between the two, Joel confessed,

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