Lex orandi, lex credendi, lex Luther

Mrs. O speaks truly: the Baptists seem to be just now learning what we Lutherans seem so eager to forget.

"Aieee! Yog Sothoth!," for example, is just not an appropriate hymn lyric for biblically orthodox Christians. And neither are the lyrics of a great many "contemporary" or simply standard "Evangelical" hymns and songs.

Yes, the words do matter. We end up believing what we pray- or sing.