Lionel Richie could barely imagine recreating the magic that happened on Jan. 28, 1985, when "We Are the World" came together.

Richie and Michael Jackson co-wrote the charity song to raise money for African famine relief, and what started as a small endeavor soon turned into a massive undertaking involving gathering 46 of the biggest music stars on earth recording together in one session.

Entertainment manager Ken Kragen enlisted the help of Kenny Rogers, Stevie Wonder, Billy Joel, Bruce Springsteen, Cyndi Lauper, Ray Charles, Tina Turner and more, to sing on the commercially successful pop single, which topped the music charts, earned four Grammy Awards, and raised more than $80 million in humanitarian aid.

MADONNA, PRINCE ‘WE ARE THE WORLD’ SNUB IN 1985 EXPLAINED BY DOCUMENTARY DIRECTOR

Lionel Richie wears a beige suit with white shirt.

Lionel Richie discussed the creation of "We Are the World." (Getty Images)

When asked how Richie made it happen, he credited the unlikely event to "naivety."

"We didn't have any distractions," he told CBS News. "There was no Internet, there was no cellphones, there was nothing but purity of a thought, an idea and how to get it done."

Richie remembered being paired up with Jackson to write the song, which was produced by Quincy Jones and Michael Omartian.

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"At the beginning, there was no terror at all because we had no deadline," he said. "Whenever you could write it, we could write it, it's no problem."

Lionel Richie and Michael Jackson pose with Grammy awards

Lionel Richie and Michael Jackson co-wrote "We Are the World," which featured a total of 46 musicians. (Getty Images)

Lionel and Michael had writing sessions at the Jackson family home in Encino, among his plethora of animals, including his snake. 

"I'm trying to write the lyrics to this song, and I'm screaming, and he's going, ‘He wants to play with you, Lionel,’" Richie said. "Next thing I know, Kragen calls on the phone and says, 'Bruce is in. Dylan's in. Dylan? You mean Bob Dylan?'

On another phone call, Kragen told Richie Ray Charles had signed up to sing, too. "All of a sudden, we went from just la la la to panic."

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The recording happened in Los Angeles following the American Music Awards in 1985, when most of the talent would easily be in one place.

Autographed sheet music for "We are the World"

Autographed sheet music for the charity single "We Are the World," recorded at a studio in Los Angeles in 1985. (Photo by Vinnie Zuffante)

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"It was just a room full of five-year-olds, and we're all amazed that we're there with each other, and getting used to each other," Riche said. "I call it the first day of first grade. So you're all in the room without your parents, and we don't know exactly what we're doing and Quincy's the parent. And, he pulled it off." 

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Richie remembered Jones having each of the musicians singing in a circle "to the class" as a way to ward off any bigger egos. 

Looking back, Richie said it was "a little intimidating" at the time.

"Now that I talk about it now, it was terrifying," he admitted. "What am I saying? I'm trying to be ever so calm about this."

We Are the World cover art

"We Are the World" raised millions for humanitarian aid in Africa. (Blank Archives)

The legacy of the song lives on through the humanitarian aid still being received in Africa. "We Are the World" also recently hit the charts once again thanks to the Netflix documentary detailing the events leading up to, "The Greatest Night in Pop."

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"We raised a lot of money," Riche said. "We kept thinking, 'OK, we're gonna give away a lot of money. Hopefully we'll raise 10.' Once you get to 40 and 50 … whoa what the heck just happened? 

"But I remember calling Quincy on the phone and saying, ‘Did we say we were giving away half the money or all the money?' and he said, ‘Don’t try it. Lionel, don't try it. We're committing all the money.'