(Photo credit Raftermen Photography) The Atlanta Opera (TAO) closed their 2024-25 mainstage season with Georg Frideric Handel’s 1744 semi-oratorio, or quasi-opera, “Semele.” General Director Tomer Zvulun structured the season around art’s transnational commonplace, the Hero’s Journey. But interestingly, all four works selected also play with genre and they address the nearly unanswerable question, ‘what is opera, anyway?’ They began with {…}