Calgary Opera is a professional opera company, originally known as the Southern Alberta Opera Association. It performs in Calgary's Jubilee Auditorium, accompanied by the Calgary Philharmonic Orchestra and the Calgary Opera Chorus. It mounts three productions a year during its November-May season, as well as an annual concert or recital featuring a singer of outstanding international reputation. Calgary is the largest city in the province of Alberta, Canada. ... The Calgary Philharmonic Orchestra is a Canadian orchestra in Calgary, Alberta. ...

Calgary Opera also employs a resident company of singers who have completed their training and are in the early stages of their professional careers. These singers cover principal roles, perform in smaller roles, and help take opera to the broader public in Calgary and in the communities of southern Alberta.

In Canada, Calgary Opera ranks with Toronto's Canadian Opera Company, Opéra de Montréal, the Vancouver Opera, and Pacific Opera Victoria as being among North America's most innovative and successful opera companies. Calgary Opera showcases primarily North American singers in its casts, and regularly produces contemporary North American operas, including works that it commissions. Calgary Opera was the first Canadian company to mount a production of "Dead Man Walking," and achieved aclaim for "Filumena," which it co-commissioned with the Banff Centre, and which was created by librettist John Murrell and composer John Estacio. Dead Man Walking is a work of non-fiction by Sister Helen Prejean, a Roman Catholic nun and one of the Sisters of Saint Joseph of Medaille. ... The Banff Centre is a highly respected arts, cultural, and educational institution in Banff, Alberta Canada. ... John Murrell may refer to more than one individual: John Murrell, an 1800s river bandit John Murrell, a 1990s author and playwright This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... John Estacio John Estacio (born April 8, 1966 in Newmarket, Ontario) is a contemporary Canadian composer. ...