Acting in Plays, Singing/Vocal range



I am having a hard time trying to understand my voice. I've had singing classes for two years now and I am a soprano.
But I study classical music, which means I only use my head voice. And I can hit pretty high notes, such as A and bB (not the central ones, one octave higher)

But now I've been trying to sing some musical theatre songs and I can't even reach the middle B properly because my chest voice has the smallest vocal range.

What am I? What can I do to increase my vocal range? And why does this happen?

Thank you

Hi, Mafalda --

Thank you for the question. As a professional singer, I appreciate your concerns.

But after two years of Classical vocal instruction – you should know that sopranos don’t confine their sense of placement to what you refer to as your “head voice”.

If you were to come to me for a vocal coaching session – and if we determined that you are a true Soprano – it’s because I pulled a High C out of you right then and there.

Two years have gone by and all of you’ve got is High A or Bb?

Find another teacher. You are wasting your time and, more importantly, your money.

The problems you describe are totally fixable. But it has to happen during an actual exchange between the coach and the client. Consider doing a lesson on Skype.

I am a vocal coach to working singers in the San Francisco Bay Area. When you want to make an appointment, contact me at:

I am also published on: -- -- --

Below are links to my recent articles, interviews, and YouTubes:

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Bass-Baritone Christian Van Horn – A Busy Season at San Francisco Opera

Sondra Radvanovsky and Jamie Barton Shine in New Production of 'Norma' at San Francisco Opera

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Best regards,
Sean Martinfield

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Sean Martinfield


I am a professional vocal coach in San Francisco. I have published over 3300 responses related to vocal training - particularly as it relates to Musical Theatre, Pop/Standard, and Opera. I have 30 years of experience as a personal trainer to working singers and actors in the San Francisco Bay Area. I sang professionally for 20 years and know what it means to live the life of a musician. I can determine your voice category, i.e., Tenor, Baritone, Bass, Soprano, Mezzo-Soprano, Alto, Alto Belter, etc., and how to broaden and strengthen your range. Need an audition song for a Broadway Musical? I can assist you with your song selections and help you build an audition portfolio that demonstrates your vocal category and meets the requirements specified in the audition notice. I have created a vocal methodology, "The Belter`s Method". It will enable those in Cabaret and Musical Theatre to practice more efficiently because it focuses on the vocal demands of professional performers and will keep you performance-ready. If what you want is a better voice and more control over your career moves and choices, contact me at: I am also a music and cultural critic for and I interview internationally recognized musicians, singers, dancers, and recording artists -- particularly those who are now appearing or scheduled to perform in San Francisco.


As a vocal coach, I work primarily with singers and actors throughout the San Francisco Bay Area. My students range from absolute beginners to working professionals, from kids to senior citizens. The vast majority of my clients come to me through recommendation. I know how to identify any singer's vocal category, i.e., soprano, tenor, alto, baritone, etc. I know how to muscle-up every singer's vocal range and to expand it beyond conventional definitions. I have developed a vocal methodology for those who want to know how to belt, THE BELTER'S METHOD. There are a number of major components to my work as a vocal coach. The first is to identify the client's vocal category and to strengthen and maximize the vocal range accordingly. Then it's about teaching a reliable vocal workout that will enable the client to gain better control of their musicianship. That includes scale work to expand the vocal range and to improve placement, breath control, and diction. Then we work on material for the audition portfolio, the immediate job or assignment, a recording session, etc. My task to is to better equip singers and actors who are hoping to or relying upon their performance skills and vocal endurance to maintain a career in the Performing Arts. My clients regularly appear in cabarets and musical productions throughout the San Francisco Bay Area. Some have worked in New York and gone on National Tours. For more information, Contact me at:


San Francisco State University – BA in Theatre Arts; graduate work in Theatre, Philosophy, and Comparative Reiligion. Pacific School of Religion, Berkeley – Graduate work in Ethics

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