After a jaw-dropping cover of Adele’s “Rolling in the Deep,” The Voice contestants Bryan Olesen and Nathan Chester have the coaches completely stumped in E! News’ exclusive sneak peek.

Bryan Olesen and Nathan Chester leave the NBC reality competition series’ coaches totally speechless—and stumped—during the Battle Rounds with their cover of “Rolling in the Deep” in E! News’ exclusive sneak peek at the show’s March 18 episode.

After the hopefuls give a powerhouse performance with a unique take on the Adele hit, their coach John Legend seeks guidance from Reba McEntire, Chance the Rapper and Dan + Shay to help him make the seemingly impossible decision on who to eliminate and who to send to the Knockout Rounds. However, their rave reviews leave him disappointed.

“Bryan, Nathan, that was absolutely incredible,” Reba tells the competitors. “That harmony, oh my gosh it was powerful. Your choreography was flawless. Bryan, I love your style. It’s a little quirky, that’s what I loved about it. Nathan, powerhouse. John, I don’t think I’m any help for you buddy, I’m sorry.”

Meanwhile, Chance applauds Nathan’s “strong personality and great control,” but also compliments Bryan’s dynamics and range, adding, “You guys are both really powerful vocalists.”

“I think either one of you guys could talk the win,” the rapper adds. “I think it was a great performance, that’s why everyone was screaming.”

And after Dan + Shay can’t find one negative critique to give to either of the two, John jokingly ribs his fellow coaches.

“Can you imagine a quartet of people more unhelpful than these four people?” the Grammy winner quips. “Obviously you two created this problem by being so incredible. I loved the physical interaction you had with each other. You also really committed to giving this song a refresh. This version sounded like no other version. You were both A+++.”

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See if Bryan or Nathan wins the Battle Rounds when The Voice airs Monday at 8 p.m. and Tuesday at 9 p.m. on NBC.

And keep reading to look back at more memorable The Voice contestants.

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Season 15, SandyRedd

SandyRedd was a stand out last season, with her signature long curly hair. She had a voice that rivaled Janis Joplin and was championed by both of her former coaches, Kelly Clarkson and Jennifer Hudson. Sadly, SandyRedd was eliminated during the live shows.

But, the former contestant hasn’t stopped singing! She has been touring around the U.S, with her latest appearance being at The Peppermint Club for a Pre-Grammy soiree.

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Season 14, Kyla Jade

Kyla Jade was one of the standout on Blake Shelton’s team, and ended up in third place. Since her elimination, the soul singer has been busy.

She released a Christmas album last December, and has been performing everywhere—from City Winery in Nashville to the Apollo Theater in Harlem. And, she is even set to perform at the 24th Annual Trumpet Awards.

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Season 13, Noah Mac

Noah Mac turned heads and Black Shelton’s chair during the Blind Auditions, only to end up on Jennifer Hudson’s team, when he was eliminated during the live shows.

Now, the Dublin teenager is finishing up high school. He recently released his latest single “Eyes for Us,” and his debut album is expected to drop soon.

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Season 12, Stephanie Rice

Stephanie Rice gave a memorable rendition of Taylor Swift’s “Safe and Sound” but that didn’t stop her from being eliminated in the live rounds. She had started off on Team Gwen Stefani, before ending up on Team Alicia Keys in the final rounds.

Today, the singer-songwriter is still making music. She just released the lyric video for her new single Pages.

“[Pages] is an anti-oppression song,” she said. “I can only write my story and this is mine. I felt my whole life from reading a few lines in a book would make me go to hell for who I loved. It was ingrained in me as a kid.”

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Season 11, Jason Warrior

Jason Warrior sang a cover of Rihanna’s “Love on the Brain” in a way that gave audience chills. Unfortunately, that wasn’t enough to keep the singer, who was eliminated in the live playoffs. Warrior was on both Team Adam Levine and Team Alicia Keys, before he ended up being saved by Team Blake Shelton.

But no worries, the singer has not stopped making music. He released his latest single, “Walking With You” in early February and plans to embark on a tour later this year.

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Season 10, Mary Sarah

Blake Shelton couldn’t help but turn his chair when he heard Mary Sarah sing a stunning rendition of “Where the Boys Are.” Sadly, the country singer was eliminated during the live shows.

Since then, Sarah has been busy. She released a single, “Just Go With It,” early last year and then released a Christmas album last December. She also recently revealed that she has nearly 500,000 listeners on Spotify in 62 different countries.

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Season 9, Amy Vachal

Amy Vachal was known for stripping down song of pop music’s biggest hits, including NYSNC’s hit “Bye, Bye, Bye,” and Drake’s “Hotline Bling.” Starting off on Team Pharrell Williams, she was saved by Adam Levine, but was eliminated during the live shows.

Since then, she has released a single and even appeared on The Tonight Show Starring Jimmy Fallon during the segment “Battle Of The Instant Songwriters.”

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Season 8, Koryn Hawthone & Meghan Lindsey

This season was full of powerhouse vocalists. Two standouts were country singer Meghan Linsey and gospel singer Koryn Hawthorne. Linsey, although she started off on Team Pharrell, ended her run on Team Blake, while, Hawthorne remained on Team Pharrell throughout her time on the show.

Since their eliminations, Linsey has been releasing music and touring around the country. Hawthorne went on to sign with RCA Inspiration, and released her debut album Unstoppable which earned her a Grammy nomination.

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Season 7, Matt McAndrew

Matt McAndrew gave a beautiful performance of Christina Perry’s “A Thousand Years,” which earned him a spot on Team Adam. The runner-up that season, had signed with Republic Records before announcing their split in early 2016.

Since then, he released an EP Rush in Slowly and his latest single, “Game Over,” in September of last year. Recently, he has been touring around the world, having recently performed in Prague, Vienna, Milan and Paris.   

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Season 6, Sisaundra Lewis

With a blind audition that has over 1 million views on YouTube, Sisaundra Lewis gave a stunning performance of Aretha Franklin’s “Ain’t No Way,” in a performance that turned all four judges’ chairs. After choosing Team Blake, she was sent home in a shocking elimination home during the live rounds.

Since then, she has still been releasing music, and the host of her own talk show, AFRO.

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Season 5, Cole Vosbury

Cole Vosbury was on Team Blake when he had been eliminated during the live shows. The country-singer gave memorable performances of “Let It Go,” and “Movin’ On Up.”

Since then, he has paired up with fellow The Voice alumna Amanda June, and created The Lovers. The duo has been releasing music together and touring around the country.

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Season 4, Mary Miranda

A video of Mary Miranda singing Selena’s “Como la Flor” has over 4 million views on YouTube. The singer, who was born and raised in Havana, turned three out of four chairs, eventually joining Team Shakira, where she was eliminated during the knockout rounds.

Now, the singer seems to be taking a break from singing, as she enjoys being a mother.

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Season 3, Melanie Martinez

A name you might be familiar with, singer Melanie Martinez got her big break on The Voice and was a stand out on Team Adam. Sadly, she was eliminated during the live shows.

But since then, she has gone on to sign with Atlantic Records, where her debut album Cry Baby went on to be certified platinum!

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Season 2, RaeLynn

RaeLynn gave a beautiful performance of The Band Perry’s “If I Die Young.” The country singer was one of the best performers on Team Blake but was sadly eliminated during the live shows.

Since then, she has been touring, recently opening for Grammy winner Maren Morris for her Girl: The World Tour. RaeLynn also just released her single “Rowdy,” in early 2019.

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Season 1, Nakia

Nakia was a stand out on Team CeeLo Green, but was sent home during the live shows. For his blind audition he gave a bluesy rendition of Green’s Forget You, and continued throughout the season with powerhouse performances of the songs “Sex on Fire” and Adam Lambert’s “Whataya Want from Me.”

Today, the blues singer is touring around the country, and just released his highly anticipated album Blues Grifter.