Amelia Farrugia's show "Diva" will pay homage to two late Australian divas, Dame Joan Sutherland and June Bronhill, at City Recital Hall, Sydney. Farrugia had a personal connection to both divas while they were alive. Farrugia took singing lessons from Dame Joan and counts Sutherland's conductor husband Richard Bonynge as a mentor. Farrugia didn't meet Bronhill, but vividly remembers being in a schoolgirl choir …