Information about 30 Days of Opera from Opera Memphis’ website: Opera Memphis delivers a solid month of free public events throughout the city for over a decade with our 30 Days of Opera program. We've sung for hundreds of thousands of Memphians in hundreds of locations. To mention a few public events for the 30 Days in April - A Homage to Cinderella at The Memphian Hotel, Open Rehearsals of Bon Appetit at Crosstown Concourse, and Opera at Wiseacre Brewing Company.