(Image credit: Allegra Bernacchioni) Cape Town Opera has announced “SHORTS: A Festival of Pocket Operas” is set to take place at the Artscape Arena April 11-21. The series of concise operas is a celebration of operatic innovation and storytelling features the world premiere of Conrad Asman’s “Trial by Media,” Francis Poulenc’s “La voix humaine,” and Wolfgang Amadeus Mozart’s “The Impresario.” {…}