"Internet nexus of cultural Judaism" — Examiner.com
Suggestions by Murray from Canada, Steve from Pennsylvania, and Simon from Israel.
As for "singing nun", another Jewish woman who portrayed a singing nun was Marni Nixon as a nun in Sound of Music. Marni was married to the man who wrote the score for "Exodus" and Andrew Gold is her son, a music arranger.
Marni Nixon is not Jewish.
She is not? Then her husband and son are. A man at my synagogue said she was and got quite upset with me. He is gone to his reward now, so I cannot ask him where he go his info.