Talk:Erna Sack

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She couldn't have been invited to sing at the Lyric Opera of Chicago, as the text says. It was not founded until 1954. The company was probably the Chicago Civic Opera. — Preceding unsigned comment added by 2001:558:6033:5D:7457:1A0A:AA43:E830 (talk) 04:10, 27 February 2016 (UTC)