Singing Lessons & Online Singing Courses with London’s Premier Vocal Coach
Private singing lessons in Hertfordshire and London, plus online vocal coaching and singing courses for singers across the UK and worldwide.
Don't Let Fear, Self-Doubt Or Stage Fright Hold You Back!
There's a voice in the world waiting to be heard and it's YOURS!
TRUSTED BY 1000+ SINGERS
Rating 5.0
Rating 5.0
"Her vocal delivery was extraordinary!" Planet Music Reviews
From Billboard Stages to Breakthrough Vocal Coaching
Combining two of her greatest passions
Music and Coaching
Karen is a rare breed of coach who has ‘Lived the Dream’!
Karen Barrow brings something rare to singers: real-world stage experience, proven vocal training and the ability to help you overcome the fear, self-doubt and blocks that hold your voice back.
As Scarlette Fever, Karen is a two-time Top 5 Billboard-charting independent artist with BBC radio play and performances at iconic venues including the Isle of Wight Festival, Hammersmith Apollo, Royal Albert Hall and Bluebird Café Nashville.
Now, through The Voice Unleashed Program, she shares the same vocal, performance and confidence work that has helped singers improve their voice, sing with more freedom and step into the artist they were always meant to become.
Karen Introduces The Voice Unleashed Program
Sing With More Freedom, Confidence & Control
- Sing high notes with more freedom without forcing, straining or second-guessing your technique.
- Perform with more confidence so you are not constantly worried about cracking, freezing or failing during a song.
- Build a healthier, stronger singing voice with vocal training that protects your voice while helping it grow.
- Expand your range and vocal power so the songs you love no longer feel out of reach.
- Sing with more emotion, control and stage presence with support from an experienced professional vocal coach.
But Wait Theres More
Unlock Exclusive Benefits with London's Premier Vocal Instructor
LIVE Coaching
Community Access
Live Replays
TRUSTED BY 1000+ SINGERS
Rating 5.0
Rating 5.0
"Her vocal delivery was extraordinary!" Planet Music Reviews
Combining two of her greatest passions
Music and Coaching
Karen is a rare breed of coach who has ‘Lived the Dream’!
Karen is a vocal coach & 2x top 5 Billboard charting & BBC Radio play listed independent artist. She has played at some of the best venues in the world including The Isle Of Wight Festival, Bluebird Cafe Nashville, Hammersmith Apollo, Royal Albert Hall, supporting & working with an elite roster of the industry’s finest artists, writers & producers, including Hans Zimmer, Robbie Williams, Ollie Murs, Mike & The Mechanics & Girls Aloud.
"Some people are natural born singers & performers but I am definitely not one of them!"
In an effort to better understand the voice & overcome crippling insecurities & stage fright, I have studied & trained with some of the world’s best vocal teachers, attended countless courses, read books, studied holistic therapies, worked with confidence coaches & therapists & continue to do so.
Now I want to share all that knowledge & experience with YOU!"
Karen set up Scarlette Coaching to teach her holistic approach after seeing how many singers & artists are missing out on reaching their full potential because they focus on trying to improve with vocal exercises alone, neglecting to work on their “inner singer” (themselves).
Karen is in high demand as a vocal coach and has helped countless singers to reach their goal of
SINGING with CONFIDENCE, PASSION & FREEDOM!
Karen offers premium 1-2-1 coaching and self-study online courses including ‘The Voice Unleashed System’ Karen believes that absolutely everyone has the birth-right to sing, no matter what age or ‘how bad’ you think you are! Her coaching & courses are for anyone with passion & commitment, willing to step out of their comfort zone.
Karen Introduces The Voice Unleashed Program
Sing With More Freedom, Confidence & Control
- Sing high notes with more freedom without forcing, straining or second-guessing your technique.
- Perform with more confidence so you are not constantly worried about cracking, freezing or failing during a song.
- Build a healthier, stronger singing voice with vocal training that protects your voice while helping it grow.
- Expand your range and vocal power so the songs you love no longer feel out of reach.
- Sing with more emotion, control and stage presence with support from an experienced professional vocal coach.
But Wait Theres More
Unlock Exclusive Benefits with London's Premier Vocal Instructor
LIVE Coaching
Community Access
Live Replays
The Voice Unleashed Program
Don't Let Fear, Self-Doubt Or Stage Fright Hold You Back!
About Karen Barrow
The Artist, Vocal Coach and Mentor Behind Scarlette Coaching
Karen Barrow, also known as Scarlette Fever, is not just a vocal coach. She is a professional singer, songwriter and performer who has lived the journey many singers dream of — and understands the fear, self-doubt and pressure that can come with it.
As a two-time Top 5 Billboard-charting independent artist with BBC radio play, Karen has performed at some of the world’s most iconic venues and festivals, including The Isle of Wight Festival, Bluebird Café Nashville, Hammersmith Apollo, Royal Albert Hall, Manchester Arena, Hard Rock Café Hollywood, The Viper Room, and BBC Radio 1’s Big Weekend.
She has also shared the stage and worked alongside renowned names including Robbie Williams, Ollie Murs, Girls Aloud, Lisa Stansfield, Caro Emerald, and Mike and The Mechanics, with media recognition from publications including NME, Music Week, The Huffington Post, and The Mirror.
But Karen’s coaching is not built on career highlights alone. Her passion for helping singers comes from her own journey with stage fright, confidence blocks and the deep desire to understand how the voice really works. That experience shaped the heart of Scarlette Coaching: a place where singers can build technique, confidence and emotional freedom together.
Today, Karen combines professional stage experience, practical vocal training, performance coaching and mindset work to help singers improve their voice from the inside out. Whether you are looking for private singing lessons, online vocal coaching, or a structured online singing course, her approach is designed to help you sing with more power, control, confidence and freedom.
Start Your Vocal Transformation Today!
3 Exclusive Pathways to World Class Singing Training
Karen Barrow, aka Scarlette Fever, is breaking down barriers to make world-class vocal coaching accessible to all. With a passion for nurturing talent at every level, she’s created a range of options to kickstart your singing journey – from free resources to comprehensive paid programs. Whether you’re a shower sensation or a budding stage performer, Karen’s expert guidance is now within reach.
Ready to unleash your true vocal potential?
Choose your path below and start your transformation today!
World-Class Coaching for Every Singer!
Ready to Find the Right Singing Course for Your Voice?
Explore Karen’s singing lessons, vocal training and online courses designed to help you build confidence, improve your voice and sing with more freedom.
Testimonials
How Our Singers Unleashed Their True Voice with Scarlette's Voice Unleashed Program
Here’s What Our Singers are Saying About Scarlette Coaching Singing in London
Voice Unleashed Program
Unleash Your True Voice with Scarlette's Voice Unleashed Program
Have you always dreamed of singing with confidence, power, and freedom? Scarlette’s Voice Unleashed program is your gateway to transforming those dreams into reality.
Whether you’re a complete beginner or an experienced vocalist, this program is designed to help you master your vocal technique, rewire your mindset, and sing without fear.
Don't Let Fear, Self-Doubt Or Stage Fright Hold You Back!
Learn how to sing higher notes with freedom, power, confidence and ease with Karen Barrow, professional vocal coach and founder of Scarlette Coaching.
Would You Like To Get These Results Too...
Scarlette's Mission
Karen's Mission is to Empowering 10,000 Voices to Stardom
Imagine standing on stage, guitar in hand, your voice soaring through the air, captivating thousands. This isn’t just a dream – it’s Karen’s mission for you and 9,999 others. Welcome to a vocal revolution where your journey from aspiring singer to confident performer begins.
Karen Barrow, aka Scarlette Fever, is on a quest to transform 10,000 voices into vocal powerhouses. With Billboard chart-toppers and performances at iconic venues under her belt, Karen is now dedicating her expertise to you.
Here are three ways to unleash your inner superstar
Whether you're a shower singer or an aspiring professional, Karen has your back.
She’s not just offering lessons; she’s providing a roadmap to your dreams. With Karen’s guidance, you’ll find your unique voice and turn your musical aspirations into reality.
Unleash Your Inner Singer with Scarlette, Master Your Voice and Perform with Confidence
Get Your Free Vocal Coaching Today!
Take Your Singing to the Next Level with a FREE Vocal Coaching Session!
Are you ready to unlock your true singing potential and fast-track your music career? Book a FREE 30-minute vocal coaching session with Karen today!
In this personalised 1-on-1 session, you'll:
- Discover your unique vocal strengths and areas for improvement
- Learn powerful techniques to expand your range and improve your tone
- Gain confidence in your abilities and overcome performance anxiety
- Receive expert guidance on how to achieve your singing goals faster
Don’t miss this opportunity to work with an experienced vocal coach who has helped countless singers just like you transform their voices and achieve their dreams.
Click here to book your FREE 30-minute vocal coaching session with Karen now!
Blogs
Mastering Your Voice
Free 20-Minute Vocal Lesson
Sing High Notes With Power & Ease, Without Strain Or Guesswork
Discover the simple exercise that releases throat tension, drops your larynx, and makes high notes feel effortless. Watch instantly, no cost, no commitment.
