BALTIMORE — Some Catholics have long complained that traditional hymns have been “modernized,” “vandalized” and “feminized” for “political correctness” at the expense of art and theology. Last month, ...

At the Roman Catholic chapel on the University of New Mexico campus last week, one woman worshiper commented on the vaguely familiar hymn sung at the end of the Mass. “It’s very pretty,” she said.

The Diocese of Jefferson City, Missouri, will implement a formal ban this week on the singing of certain contemporary hymns at Mass because of doctrinal inaccuracies in their lyrics as well as a ...