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Ann Grennan has been performing and teaching since 1981. She has a special gift for working with young people and adults, looking to express themselves through music. Ann’s approach to teaching is very positive and encouraging, making learning a fun and rewarding experience.

Ann has performed extensively in opera, musical theatre, pop and jazz. She began her performing career upon graduating from California State University Northridge in leading roles such as Josephine in H.M.S. Pinafore, Marian in the The Music Man and Maria in West Side Story. She toured with the Santa Monica Playhouse performing throughout England and Japan. Ann was the featured soloist with the Peninsula Symphony and the Carson Symphony. She has coached with some of the finest coaches in the country, including Warren Jones, Wesley Balk and Carmen Bradford. She was a regular performer at the Century Plaza Hotel for 3 years in their beautiful Terrace Restaurant. Ann released her first jazz cd in 2000. Her second jazz record was released in 2008. Her release party was celebrated at the Lighthouse in Hermosa Beach. Her experience with big band singing includes featured soloist with Bary Anthony and the Swing of Things at the
Skyroom in Long Beach, and currently the featured vocalist with the internationally acclaimed Legends of Swing. Ann was the section leader and handbell director at Trinity Baptist Church for 7 years, and then went on to lead Cantor at St. Margaret Mary’s for 7 years. She has received Best Female Vocalist for her portrayal of Johanna in Sweeney Todd and was given the Eve Ellington Award from the Matinee Musical Club. Ann has owned and operated a Christmas Caroling business since 1991, called A Holiday Affaire.


Ann is a member of the Music Teachers’ Association, where she has served as President. She is also a member of the National Association of Teachers of Singing. She has served on the faculty of South Bay Conservatory, Orange County High School of the Arts, and the Norris Performing Arts Center. She has studied the Alexander Technique and Feldenkrais in order to better understand alignment and breathing issues for singers. Experience has shown her that the best approach to private instruction is individual assessment. Although some teachers profess to have a method, Ann has found that every student is unique and requires a vocabulary that fits their personal needs. No two students learn exactly the same way. Some are aural learners while others benefit more from the kinesthetic approach. This has resulted in a rich and creative tool box to draw upon when working with singers. Ann stresses the importance of learning music theory and presentation as well as creating beautiful tone. The singer must learn how to interpret the lyric and communicate it in a genuine way. With her background in Italian, German, French, and Russian, she brings the necessary language skills to the vast classical repertoire demanded by today’s competitions.

Student awards and accolades: 

John Zuckerman began studying with Ann in high school while playing in a rock band. Ann introduced him to opera and he is now a highly successful operatic tenor in Germany. 


Singing in her high school choir, Julia Luthringer completed Level VII of the Certificate of Merit program and went on to lead the Boston Sweethearts in college.


Brigitte Clark, who studied with Ann beginning in Middle School through High School was chosen as one of two students from the entire state to perform in a Master Class at the statewide Convention. 

Ann's students have been accepted into such prestigious summer programs as the Michael Feinstein American Songbook Master Class and the Torggler Summer Institute. Ann makes it a point to introduce her students to all opportunities to grow and compete within the community.

These are some of the things that have been said about Ann’s performances:

"Ann Grennan is superb as the prim Marian the librarian. She has an astounding voice that is put to good use in the ballads".

"Ann Grennan, appearing in a pristine white gown with pure tone to match, played the captain’s daughter Josephine.

"Maria, beautifully played and sung by Ann Grennan, is appealing as ever".

"Ann Grennan, as Johanna, sings with a voice as clear as crystal. Grennan sang effortlessly, showing off a full range and enviable control without ever appearing as if she were straining".


Here are some things students have said about Ann's teaching.

Ann is an enthusiastic and incredibly knowledgeable teacher across all genres and styles.  She gracefully explains difficult music theory and makes singing enjoyable.  My voice has evolved in ways I could not have imagined across the 10 years I have taken lessons with her.  Taryn O'Grady

Ann is an outstanding teacher who has taught both of my daughters with incredible results.  She prepared my eldest daughter for a state convention master class with MTAC and my youngest daughter has gotten into convention every year.  Ann teaches with such kind and effective words helping them gain the necessary skills to grow as musicians.  Lisa Ann Clark

​Ann doesn't just teach one genre.  She teaches technique that applies to all styles of music.  I began as a musical theatre singer and am now touring with a rock band!  Amber Van Buskirk

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​Ann Grennan Music StudiO

Vocal and Piano private music lessons