He has had a long and successful career. | 22 Words

Fans have been left stunned at the news that acclaimed U.S. folk singer, David Olney, has tragically passed away aged 71.

The way in which he passed away has truly shocked the internet and left fans utterly devasted. Keep scrolling for the full story...

David Olney was a huge figure in the Nashville music scene.

The folk singer-songwriter is known worldwide for his popular music and powerful live performances.

After moving to Nashville in 1973, he formed a rock band called the X-Rays.

The band recorded 2 albums in the '80s before parting ways.

After going solo...

via: Getty Images

Olney produced more than twenty albums, according to his website.

His songs have been recorded by numerous famous faces...

Including the likes of Emmylou Harris, Del McCoury, Linda Ronstadt, Steve Young, and Slaid Cleaves.

He has had a long and successful career.

And was a familiar face at numerous music festivals.

He was performing at the 30A Songwriters festival in Santa Rosa Beach, Florida.

But sadly, while on stage, things took a turn for the worst.

The star was performing the third song of his set...

When he paused and told fans he was "sorry."

The star reportedly then closed his eyes...

And "put his chin to his chest," according to fellow singer-songwriter Scott Miller, who was performing with Olney that day.

Scott Miller, who was on stage with Olney, attempted to revive him.

"David paused, said, 'I'm sorry' and put his chin to his chest," he wrote. "It was as easy and gentle as he was." "We got him down and tried our best to revive him until the EMTs [emergency medical technicians] arrived. The world lost a good one last night but we still have his work. And it still inspires."

"He was very still, sitting upright with his guitar on."

Amy Rigby, a musician who was sitting next to him, wrote in a Facebook post: "He was very still, sitting upright with his guitar on, wearing the coolest hat and a beautiful rust suede jacket." According to his publicist, he suffered an apparent heart attack during the show. Devastating. R.I.P David Olney. To read about all the stars we lost last year, keep scrolling.