Psalm 58:5

5 that will not heed the tune of the charmer, however skillful the enchanter may be.

Read Psalm 58:5 Using Other Translations

Which will not hearken to the voice of charmers, charming never so wisely.
so that it does not hear the voice of charmers or of the cunning enchanter.
ignoring the tunes of the snake charmers, no matter how skillfully they play.