More opera companies open their doors this weekend starting with the Lyric Opera of Chicago. The LOC’s first performance of the year on Saturday, Sept. 23, 2017, will be Gluck’s “Orpheus and Eurydice.” The opera stars Andriana Chuchmann, Dmitry Korchak, Lauren Snouffer, and Harry Bicket conducting. Meanwhile, Opera Philadelphia continues its festival with performances of “The Magic Flute” on Friday {…}