Gregg lived a long, beautiful life, Lehman tells EW.
He loved his music, and we all loved him.
Lehman previously announced the news onthe singers official website.

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He was a kind and gentle soul with the best laugh I ever heard.
His love for his family and bandmates was passionate as was the love he had for his extraordinary fans.
Gregg was an incredible partner and an even better friend.
We will all miss him.
Allman suffered fromvarioushealth issuesover recent years.
In April, Allmandenied rumorsthat he had entered hospice care.
The Allman Brothers ascendancy in the 70s would be marred by tragedy.
A year later, Oakley died of a motorcycle accident, also in Macon, also at 24.
I even caught myself thinking that its narrowing down, that maybe Im next.
Born in Nashville, Gregory Allmans life was also subsumed in tragedy.
Duane received a guitar, too, and practiced incessantly.
Soon they were playing in cover bands such as the Escorts and the Y-Teens.
I wanted to finish school and become a dentist, Allman told Alan Paul in 2014s One Way Out.
I graduated high school and thought, Ill give it a year.
Ill go out and play these clubs and then Ill go on to college.'
Wed all have turned into fucking vegetables if we hadnt been able to get out there and play.
Thats where the success was, Jack.
Meanwhile, Allman maintained a solo career, occasionally scoring hits such as 1986s Im No Angel.
(Hed also starred in 1991s Rush.)
It is, Allman, sober for 20 years, told Newsday.
But we met it with dignity.
And we finished everything we started.