What is the Meaning of "Selah?"

        The word "Selah," which occurs a number of times in the Psalms, was a musical or liturgical sign, whose meaning is unknown. Some regard it as a pause in the music, to mark a transition in the theme or composition. It seems to have no grammatical connection with the sentence after which it appears, and has
therefore nothing to do with the meaning of the passage. It was a note to the singers of the psalm, or to those who were accompanying the singing with instruments.