In celebration of its 50th anniversary, Calgary Opera will host a special concert on Sept. 22. Jonathan Brandani and Alice Farnham will conduct arias, duets, choral, and the Calgary Philharmonic Orchestra. Soloists include Tracy Dahl, David Pomeroy, Lyne Fortin, Andrew Love, Krisztina Szabó, Brett Polegato, and John Tessier. Ben Heppner will emmcee. The concert starts at 7:30 pm at the Southern {…}