
About Us
An artistic Infusion
COSA began in 2006 and incorporated in 2009. It creates performing experiences for audiences with Canada's amazing acoustic vocalists. It continues growing boldly - presenting astouding programs that look and sound like all of us.
COSA is many things at once. It is:
•A performing organization
•A training and mentoring creator
•An arts educator
•A vocal arts advocacy platform, with professional, educational, commercial, and community values.
•A registered Canadian nonprofit charity
COSA's impact is astonishing - each step of the way, concert after concert, thrill after thrill.
Join in our many events and formats.
Enrich your life! Lift your well-being!

Sam Moffatt Photography

Our
Mission
COSA GROWS COMMUNITY:
•you can see yourself here
•with vivid truths and fantasies
•with dynamic and diverse performances
•igniting your emotions
•in vibrant traditional forms, yet
•striding into new forms
•magnetizing genres and cultures, in
•Opera, Global, Broadway, & Pop music
•connecting the world's pathways, while
•heightening and comforting your being!
Gallery


Our Performance History
SINCE 2006
COSA + the Hamilton Philharmonic Orchestra (HPO)!
Don Giovanni at the Ancaster Memorial Arts Centre, February. 7, 2026 - review HERE
EARLY MUSIC MAGIC! Series
Launched at Alternity Cafe, 333 Bloor St. W., December 12, 2025
Viols & Voices! The Arts & Letters Club of Toronto, January 26, 2026.
Ester (1774) - C.G. Lidarti. In Hebrew, Kiever Synagogue, March 1, 2026. Cdn. Premiere
COSA's Arias After Work!
Vol. 1 Launched at College Street United Church, Toronto, May 11, 2024
Vol. 2 Centre Street United Church, Unionville, October 26, 2024
Vol. 3 College St. United Church, Toronto, June 14, 2025
Arias After Work: LONDON! New. St. James Presbyterian Church, Oct. 3, 2025
Vol. 4 College St. United Church, November 1, 2025
Vol. 5 College St. United Church, April 25, 2026
Vol. 6 College St. United Church, June 13, 2026
Festival of Choirs with COSA Solo Artists!
Launched at College Street United Church, February 24, 22024
Calvin Presbyterian Church, February 9, 2025
St. Anne's Parish Hall, February 21, 2026
Singing the Universal!
USHA! The Music of My Life! Grace Church on the Hill. September 10, 2023
Webinar: Dozan World: Drs. Shireen Abu Khader & Darryl Edwards, Oct. 6, 2025
Sri Lanka, Iran, and Azerbaijan. The Arts & Letters Club of Toronto, March 18, 2026.
COSA HEALTH!
Kimmel Family Centre for Brain Health and Wellness, 2023
Music in the Atrium, Princess Margaret Hospital, 2024
OPERA is DELICIOUS!
Launched 2014: The annual Opera Night at George (Michelin Rated), becomes:
Lucy Boguski Opera Night (at the 4x Michelin rec George Restaurant) April 15, 2026.
COSA NOW!
CHIARA x COSA: with the Chiara Urban Band, The Horseshe Tavern, April 26, 2024
The ART of LOVE. Animated Contemporary Opera. Concert PREMIERE, 2023
Il GIUDIZIO di PIGMALIONE. New Opera Workshop, 2019
SHOT! THE STORY OF D'ARCY McGEE. PREMIERE, 2017
MIRACLE FLIGHT 571. PREMIERE, 2016
SWOON. Contemporary Opera, 2016
FÜHRERBUNKER. PREMIERE, 2015
CASANOVA. Contemporary Opera, 2015
The WINGS of the DOVE. PREMIERE, 2013
COSA CLASSICS
LA CENERENTOLA. 2023
La CLEMENZA di TITO. 2021
La BOHÈME. 2019, 2023
The THREEPENNY OPERA. 2018
COSA CREATIVE
QUEENS and MARTYRS: 2021
COSA FAMILY
The SHOP GIRL. REVISED; REVIVAL, 2021.
MOZART at 11: APOLLO & HYACINTH. 2017, 2019, 2020
FIDDLER on the ROOF. 2016, 2019
COSA LIGHT
The MIKADO. 2012
The GONDOLIERS. 2013
HMS PINAFORE. 2014, 2019, 2024
The YEOMEN of the GUARD. 2015
RUDDIGORE. 2018
The MERRY WIDOW. 2018
TRIAL by JURY. 2019
The PIRATES of PENZANCE. 2011, 2024
COSA POPS!
Themed Opera Pops Concerts in Homes, Restaurants, and Churches, since 2006
COSA: Its Summer Programs and What is Important Now
COSA is the proud originator and governing body of two summer programs: COSA At Mount Allison Vocal Intensive (2022, 2023), and the Centre for Opera Studies in Italy (2007-2019).
COSA remains responsive and nimble to the needs of developing vocals arts with and for Canadians. This is in lieu of solely serving large organizations and institutions, all of which are reconstructing themselves, too. This is also beyond the penchant for developing productions and appearing in roles, when what is needed is creation borne of reflection, established and extended skill building, and innovation,
COSA is professionally hailed and respected for its viability in
•nurturing individuality, viable professional skills, and self-curation
•encouraging the development of personal, local networks and support systems.
• being a leading example as a model of creativity with artists and organizations across Canada.
•Promoting, sharing, synthesizing, and encouraging new and traditional projects with energy.
•Acting with robust influence, within and beyond growing interactive network. •Standing tall in its twenty-year history of creative achievement and integrity.
COSA is a launching pad for now, in the excitement of what is newly possible!
COSA at Mount A: A Summer Vocal Intensive. (2022, 2023)
•A series of teaching and performance workshops with leading artist-teacher specialists in contemporary performance, arts advocacy, and self-curation in opera and opera fusion, with culminating performances at Mount Allison University's Recital Hall: Brunton Auditorium.
COSI: The Centre for Opera Studies in Italy! (2007-2019, in Sulmona, AQ, Abruzzo)
Le NOZZE di FIGARO, 2007
La CANTARINA, 2008
SUOR ANGELICA, 2011, 2015
GIANNI SCHICCHI, 2013
L'ELISIR d'AMORE, 2012, 2017
La CLEMENZA DI TITO, 2014
L'INCORONAZIONE di POPPEA, 2013
La BOHÈME. 2008, 2013
COSÌ FAN TUTTE, 2015
La CALISTO, 2015
DON GIOVANNI, 2013, 2017
ORATORIO
Pergolesi Stabat Mater (2013)
Rossini Petite Messe Solennelle (2014)
Dvořák Mass in D (2015)
OPERA WORKSHOPS: IL GIUDIZIO DI PIGMALIONE. 2017.
NEW OPERA SCENES & IMPROV. 2017, 2019.
in EACH PROGRAM:
MASTER CLASSES and FORUMS for SINGERS and COLLABORATIVE PIANISTS

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