Some musical theater videos are exciting because they honor a song exactly as fans remember it.
Others are exciting because they take a familiar song and flip it into something totally new.
This Cynthia Erivo clip belongs to that second group.
In this fun Tonight Show performance, Erivo joins Jimmy Fallon for a Broadway edition of Musical Genre Challenge. The idea is simple: take famous musical theater songs and perform them in totally different styles.
But when Cynthia Erivo is the singer, the game becomes something much bigger.
She transforms “The Sound of Music” into an R&B pop song. Then she takes “And I Am Telling You I’m Not Going” from Dreamgirls and gives it an opera twist.
It is playful, surprising, and seriously impressive.
That is what makes this video such a perfect fit for Big City Broadway.
It is not just a comedy bit. It is a reminder that a great performer can bend a song into a new shape and still keep the heart of it alive.
Watch Cynthia Erivo Take on the Broadway Musical Genre Challenge
Why This Cynthia Erivo Performance Is So Much Fun
This clip works because Cynthia Erivo fully understands the assignment.
The challenge could easily feel like a silly late-night game. And yes, it is funny. But Erivo does not treat the songs like throwaway jokes. She sings them with real style, real control, and real musical choices.
That is why the performance lands.
She knows how to make “The Sound of Music” feel smooth and modern without losing its bright, open spirit. Then she knows how to make “And I Am Telling You I’m Not Going” feel huge in a completely different way by leaning into an opera style.
The surprise is part of the fun.
But the skill is what makes it memorable.
Cynthia Erivo Makes “The Sound of Music” Feel Brand New
“The Sound of Music” is one of the most famous title songs in movie-musical history.
Fans know its open, sweeping feeling. They know the image of Julie Andrews on the mountain. They know the song as something bright, classic, and full of wonder.
So hearing it turned into R&B pop is a delightful shock.
Erivo changes the feel, but she does not flatten the song. She keeps the sense of joy. She keeps the lift. She simply brings it into a new musical world.
That is harder than it sounds.
A weaker performer might make the style switch feel like a joke only. Erivo makes it feel like a real version of the song. It is funny because it is unexpected, but it is also good because she can actually sing it that way.
The Dreamgirls Opera Twist Shows Off Her Range
Then comes “And I Am Telling You I’m Not Going.”
This is already one of the biggest musical theater songs ever written. In Dreamgirls, it is a full-force emotional explosion. The song is famous for its power, pain, and giant vocal demands.
Turning it into opera is a bold move.
But Cynthia Erivo has the voice and control to make the switch work. She brings a new kind of drama to the number. The song already feels massive, and the opera style makes it feel even more grand.
That is what makes the bit so fun for theater fans.
We know the original version is huge.
Then Erivo shows us it can become huge in a totally different way.
The Broadway Skill Behind the Comedy
This may be a late-night comedy game, but it takes serious musical skill.
To pull off a genre switch, a singer has to understand more than the melody. They have to understand style. They have to know how phrasing changes. They have to know how tone, rhythm, and emotion shift from one genre to another.
Erivo makes those changes quickly and clearly.
That is the Broadway instinct at work.
Musical theater performers often have to move between comedy, drama, pop, classical, jazz, and character singing. They need flexibility. They need timing. They need the confidence to make bold choices in front of an audience.
This clip shows all of that.
It is funny, but it is also a master class in control.
Why Fans Love Seeing Cynthia Erivo Play With Musical Theater
A big reason fans enjoy this video is that Cynthia Erivo can be both powerful and playful.
Many people know her for serious, breathtaking performances. She can make a room go quiet with one note. But this clip shows another side of her talent. She is relaxed. She is game. She is clearly having fun.
That joy matters.
It lets viewers see the person behind the powerhouse voice. It also reminds fans that musical theater is not only about serious emotion. It is also about play. It is about surprise. It is about seeing what happens when talented people try something bold.
Erivo brings all of that energy here.
She makes the challenge feel like a party for theater fans.
How Great Songs Survive a Style Change
One of the best lessons from this video is that strong songs can travel.
“The Sound of Music” still feels joyful, even with an R&B pop twist.
“And I Am Telling You I’m Not Going” still feels dramatic, even when pushed toward opera.
That shows how strong these songs are at their core.
A great musical theater song is not only one arrangement. It has a story inside it. It has feeling. It has a reason to exist. When those things are strong enough, a performer can change the style and the song still holds together.
That is what Erivo proves here.
She changes the clothes, but keeps the soul.
What to Watch For in the Performance
When you watch the clip, pay attention to how fast Erivo makes each style clear.
She does not need a long warmup. Within a few seconds, you understand the new musical world she is creating.
Also listen to her control.
The performance looks fun and loose, but the singing is very precise. She knows exactly where to place the notes, when to lean into the joke, and when to let the vocals shine.
Then watch Jimmy Fallon’s reactions.
His excitement helps frame the whole clip. He is clearly enjoying the surprise of hearing Broadway songs turned inside out by someone who can actually pull it off.
That shared fun is part of what makes the video so easy to enjoy.
Why This Cynthia Erivo Clip Belongs on Big City Broadway
Big City Broadway celebrates musical moments wherever they appear.
Sometimes that means a Broadway stage. Sometimes it means a movie musical, a concert, a live TV special, or a late-night game that lets a world-class singer play with classic show tunes.
This clip belongs here because it shows musical theater at its most flexible.
It has famous Broadway songs.
It has comedy.
It has vocal fireworks.
It has a performer who can move between styles without losing the story.
And it gives casual viewers an easy way into musical theater. You do not need to know every detail of The Sound of Music or Dreamgirls to enjoy the clip. You just need to hear Cynthia Erivo take the challenge and run with it.
That is the good stuff.
A Genre-Bending Broadway Challenge Worth Watching Again
Cynthia Erivo’s Broadway Musical Genre Challenge is worth watching because it is clever, joyful, and full of talent.
She turns “The Sound of Music” into smooth R&B pop.
She turns “And I Am Telling You I’m Not Going” into opera-sized drama.
And she makes both choices feel natural, funny, and exciting.
Watch the video above, enjoy the surprise, and see why Cynthia Erivo can make even a late-night game feel like a true Broadway vocal event.