Country music legend Kenny Rogers has died, aged 81.

His family announced on Saturday that Rogers died "peacefully at home from natural causes under the care of hospice and surrounded by his family".

He lived in Georgia, in the United States.

The family said it was planning a small private service "out of concern for the national Covid-19 emergency", adding that they looked forward to celebrating Rogers' life publicly with his friends and fans at a later date.

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Rogers' career spanned more than six decades and 24 number one hits. He was a member of the Country Music Hall of Fame and was most well known for his song The Gambler.

Other classics included Ruby, Lucille, and Through the Years, Islands In The Stream, and She Believes In Me.

His album The Gambler was considered one of the most influential albums of all time. He won three Grammy awards, received the Country Music Awards Willie Nelson Lifetime Achievement Award in 2013, and several other lifetime achievement awards.

Rogers had collaborated with fellow country music legends Willie Nelson and Dolly Parton.

He was married five times and it's understood he is survived by five children.

Matt Cardy/Getty Images Over the years, Rogers worked often with female duet partners, most memorably, Dolly Parton. The two were paired at the suggestion of the Bee Gees' Barry Gibb, who wrote Islands in the Stream.

The Houston-born performer with the husky voice and silver beard thrived for some 60 years before retired from touring in 2017 at age 79. Despite his crossover success, he always preferred to be thought of as a country singer.

"You either do what everyone else is doing and you do it better, or you do what no one else is doing and you don't invite comparison," Rogers told The Associated Press in 2015.

"And I chose that way because I could never be better than Johnny Cash or Willie or Waylon at what they did. So I found something that I could do that didn't invite comparison to them. And I think people thought it was my desire to change country music. But that was never my issue."

A true rags-to-riches story, Rogers was raised in public housing in Houston Heights with seven siblings.

As a 20-year-old, he had a gold single called That Crazy Feeling, under the name Kenneth Rogers, but when that early success stalled, he joined a jazz group, the Bobby Doyle Trio, as a standup bass player.

Mark Zaleski/AP Rogers at the ceremony for the 2013 inductions into the Country Music Hall of Fame in Nashville, Tennessee.

But his breakthrough came when he was asked to join the New Christy Minstrels, a folk group, in 1966.

The band reformed as First Edition and scored a pop hit with the psychedelic song, Just Dropped In (To See What Condition My Condition Was In).

Rogers and First Edition mixed country-rock and folk on songs like Ruby, Don't Take Your Love To Town, a story of a Vietnam veteran begging his girlfriend to stay.

After the group broke up in 1974, Rogers started his solo career and found a big hit with the sad country ballad Lucille, in 1977, which crossed over to the pop charts and earned Rogers his first Grammy. Suddenly the star, Rogers added hit after hit for more than a decade.

The Gambler, the Grammy-winning story song penned by Don Schlitz, came out in 1978 and became his signature song with a signature refrain: "You gotta know when to hold `em, know when to fold 'em."

The song spawned a hit TV movie of the same name and several more sequels featuring Rogers as professional gambler Brady Hawkes, and led to a lengthy side career for Rogers as a TV actor and host of several TV specials.

Other hits included You Decorated My Life, Every Time Two Fools Collide with Dottie West, Don't Fall In Love with a Dreamer with Kim Carnes, and Coward of the County.

One of his biggest successes was Lady, written by Lionel Richie, a chart topper for six weeks straight in 1980. Richie said in a 2017 interview with the AP that he often didn't finish songs until he had already pitched them, which was the case for Lady.

"In the beginning, the song was called, Baby," Richie said. "And because when I first sat with him, for the first 30 minutes, all he talked about was he just got married to a real lady. A country guy like him is married to a lady. So, he said, `By the way, what's the name of the song?"' Richie replies: Lady.

Over the years, Rogers worked often with female duet partners, most memorably, Dolly Parton. The two were paired at the suggestion of the Bee Gees' Barry Gibb, who wrote Islands in the Stream.

Robyn Edie/Stuff Kenny Rogers hand prints in the Hands of Fame wall at New Zealand's Capital of Country Music guitar statue in Gore.

"Barry was producing an album on me and he gave me this song," Rogers told the AP in 2017. "And I went and learned it and went into the studio and sang it for four days. And I finally looked at him and said, `Barry, I don't even like this song anymore.' And he said, `You know what we need? We need Dolly Parton.' I thought, `Man, that guy is a visionary."'

Coincidentally, Parton was actually in the same recording studio in Los Angeles when the idea came up.

"From the moment she marched into that room, that song never sounded the same," Rogers said. "It took on a whole new spirit."

The two singers toured together, including in Australia and New Zealand in 1984 and 1987, and were featured in a HBO concert special.

Over the years the two would continue to record together, including their last duet, You Can't Make Old Friends, which was released in 2013. Parton reprised Islands in the Stream with Rogers during his all-star retirement concert held in Nashville in October 2017.

Rogers invested his time and money in a lot of other endeavours over his career, including a passion for photography that led to several books, as well as an autobiography, Making It With Music.

He had a chain of restaurants called "Kenny Rogers Roasters," and was a partner behind a riverboat in Branson, Missouri.

He was also involved in numerous charitable causes, among them the Red Cross and MusicCares, and was part of the all-star We are the World recording for famine relief.

By the '90s, his ability to chart hits had waned, although he still remained a popular live entertainer with regular touring. Still he was an inventive businessman and never stopped trying to find his way back onto the charts.

At the age of 61, Rogers had a brief comeback on the country charts in 2000 with a hit song Buy Me A Rose, thanks to his other favourite medium, television. Producers of the series Touched By An Angel wanted him to appear in an episode, and one of his managers suggested the episode be based on his latest single.

That cross-promotional event earned him his first No. 1 country song in 13 years.

- Stuff with AP