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Arlyn M. Brewster OperaTunity Program

Experience an opera performance at your school, community center, or library through a fully staged, 40-minute adaptation of a classic, or an original story! Performances are presented in English and designed for K-8 audiences.


2021 Arlyn M. Brewster Education Teaching Artists


Diana Peralta, mezzo-soprano

Diana Peralta, mezzo-soprano

Mezzosoprano from Mexico City. Graduated from the National Conservatory of Music with Degree in Opera and Concert Singing. Obtained her Masters Degree in Voice Performance in the University of Arizona.

In July 2019 she sang the role Cherubino from “Le Nozze di Figaro” by Mozart with the Jerusalem Opera Studio in Israel. She made her debut in Carmen in a production with the San Luis Opera Festival in July 2018 and sang it again in a new production for “Opera de Mexico” Company. Her roles also include Donna Elvira, Cherubino, Mercedes, Mme de la Haltiére, Hansel, Charlotte, Lady Rhondda, 2nd and 3rd lady of The Magic Flute among others. She has been the mezzosoprano soloist at The Messiah, 9th Symphony, Requiem of Mozart and Petite Messe Solennelle in New York City.

Winner of the 2nd place in the “Amelia Rieman Opera Competition” and 1st place in “Opera Guild Quest for the Best”, both in the University of Arizona in their 2019 Edition. Winner of the "Gertrude Brownlee Bitner Memorial Award” in Guanajuato and "Opera of Panama" Award in San Luis Potosi in 2018. In December 2019, she won the 1st Place of the Vienna Summer Festival Vocal Competition and she got the role of Carmen for Vienna, Austria for July 2020, but because of the pandemic it was postponed. Future projects also include the postponed Greek Opera Studio and concerts in Germany for 2022.


Dr. Miriam Schildkret, PN1, mezzo-soprano

Dr. Miriam Schildkret, pn1, mezzo-soprano

This Miriam's fourth season as a Teaching Artist; She has performed Third Lady/Queen of the Night/Papagena (The Mini-Magic Flute), Hansel (Hansel and Gretel), and The Sea Witch (Rusalka: The Littlest Mermaid). Most recently, Miriam covered the role of Cherubino in Arizona Opera's production of The Marriage of Figaro. Other favorite roles include Dorabella (Così fan tutte), Dido (Dido and Aeneas), Prince Orlofsky (Die Fledermaus), Tisbe (La Cenerentola), Third Lady (The Magic Flute), and Kate (Owen Wingrave). Miriam was featured in the Arizona PBS series Desert Canvas, a collection of stories about local artists and their impact on the community, and was also a speaker with TEDx Scottsdale Women.



Chia-Chun Ko, pianist

Chia-Chun Ko, Pianist

Chia-Chun Ko is a collaborative pianist and piano teacher. She has served as the teaching artist for OperaTunity at Arizona Opera since 2019 and the collaborative pianist for the Helios ensemble. Dr. Ko has performed actively in solo and chamber music concerts, and has also participated in various competitions. She was the winner of the University of Arizona President’s Concerto Competition and performed as soloist with the Arizona Symphony Orchestra in 2012. Chia-Chun Ko received a D.M.A. degree in Piano Performance from the University of Arizona, where she studied with Prof. Tannis Gibson. She is the recipient of various scholarships from NTUE, University of Arizona, the Yamaha Music Foundation, and Ivancovich Music Scholarship.


For more information about Arizona Opera Education Programs, please contact Director of Education and Community Engagement, Cassie Robel, at

The 2021/22 Season of the Arlyn M. Brewster OperaTunity program is sponsored, in part, by: Dr. Rex Brewster, Invest in Kids Charitable Fund, The City of Peoria, and the Fillman Gorin Fund held at the Community Foundation for Southern Arizona.
Arizona Opera’s Education and Community Engagement programs are made possible, in part, thanks to the support of: Karen Fruen, The Molly Blank Fund, Dr. Rex Brewster, Invest in Kids Charitable Gift Fund, The Moreno Family Foundation, The Arizona Republic, Fillman Gorin Fund held at the Community Foundation for Southern Arizona, Cardinals Charities, The City of Peoria, Desert Diamond Casino West Valley, Kiwanis of Litchfield, and a consortium of individual donors.

If you are passionate about continuing the traditions of opera for the next generation, this is your opportunity! For more information about supporting this program, or to inquire about sponsoring an apprentice, contact Ashley Parks at 602.218.7337 or