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VOCAL TECHNIQUE
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ABOUT US
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EXPERIENCE & EXPERTISE:
Meet Our Vocal Technicians
Joann C. Zajac & Zeffin Quinn Hollis

Joann C. Zajac has been teaching her precise and reliable method to singers for over forty years. As a Soprano, she has sung over fifty major operatic roles, her voice being described as "vocal perfection", "resilient and easeful", "master of the verismo chest voice declamation", "exciting high notes", "warm middle range" and "an extraordinary voice". She debuted as Mozart's "The Queen of the Night" in Die Zauberflote at the age of eighteen. As her voice matured, she took on the very challenging Lyrico-Spinto repertoire. Her portrayal of "Madama Butterfly" was called utterly perfect, with "heroic nobility, childlike vulnerability, and basic artistic integrity."

Unique to the industry today, Joann has earned a coveted reputation for providing a meticulous regimen that builds a strong and consistent vocal technique. She is known for unearthing talent; building voices from inception and guiding and managing her well trained singers through the inherent difficulties of a performing career. Students have traveled from as far as Hong Kong to work with this down to earth and practical technician and they encompass every genre including pop, musical theatre, and opera. Using her exceptional approach, her clients have garnered both critical and popular success working on Broadway, London's West End, and in opera houses all over the world. Her client list also includes recording artists and a long list of top celebrities.

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Zeffin Quinn Hollis, a dedicated and inspiring vocal coach, brings over 15 years of experience as the principal associate vocal technician to the esteemed Joann C. Zajac. A dynamic singing actor with an impressive vocal range, Zeffin has achieved remarkable success in over 100 roles across traditional and contemporary repertoires, including musical theatre.

At Zajac Studio, Zeffin’s teaching is complemented by his innovative Singing Actor’s Lab™, a vibrant space where professional actors, singers, and opera performers can hone their craft. Whether you're aiming to elevate your singing career in pop, opera, or other genres, Zeffin’s approach focuses on effective storytelling through the voice, ensuring every performance is both powerful and authentic.

 

As a celebrity vocal coach in Los Angeles and New York City, Zeffin provides comprehensive voice lessons, emphasizing vocal technique, artist development, and vocal health. With options for online coaching, his guidance is accessible no matter where you are, ensuring continuous support for your vocal journey.

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LINKS

LINKS

ZEFFIN

QUINN HOLLIS

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 AEA  SAG-AFTRA AGMA

The official site of actor, singer, and teacher

Zeffin Quinn Hollis

Classes designed to help singers from any genre explore ways to be effective in storytelling through

vocal performance

NEWS & EVENTS

News & Events
CONTACT

FIND US
LAX | LAS | 
ICT
Online Everywhere

LOS ANGELES STUDIO

Nestled in the Hancock Park enclave of Hollywood, our exquisite creative sanctuary offers two studios providing an unparalleled experience for professionals across creative disciplines.

To interview for a position on the roster, please email or call.
Both Joann & Zeffin teach in person at the Los Angeles location
9a-9p Tuesday & Wednesday
Every Other Week

(online lessons available anytime - text for info)

+1 (323) 475-1262 call or text

EMAIL US

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LAS VEGAS STUDIO

Located in the Southern Highlands district
just 10 minutes from the STRIP
on the Las Vegas's SOUTH side

To interview for a position on the roster, please email or call.

Both Joann & Zeffin teach at the Las Vegas location
9a-9p Friday & Saturday
Every Week
(702) 270-9583

EMAIL US

WICHITA, KS STUDIO

Located Near 13th & Rock Road

While Joann and Zeffin are on-site at our Wichita location for an immersive week of instruction every month, their dedication to your growth doesn't stop there. They seamlessly transition to providing online lessons for the remainder of the month, ensuring you receive continuous guidance and support tailored to your unique needs.

 

To interview for a position on the roster, please email or call.

+1 (316) 285-0332 call or text

EMAIL US

ONLINE EVERYWHERE

Joann and Zeffin, renowned for their expertise as celebrity vocal coaches, seamlessly offer online voice lessons for students traveling, working, or living anywhere in the world. Our commitment to vocal mastery ensures you receive continuous, tailored guidance and support, elevating your singing career with the same excellence and dedication whether you're nearby or abroad. Experience the luxury of personalized vocal coaching from the comfort of your home, crafted to meet your unique needs by our expert vocal coaches.

 

To interview for a position on the roster, please email or call.

+1 (323) 475-1262 call or text

EMAIL US

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