“All these were under the hands of their father for song in the house of the LORD, with cymbals, psalteries, and harps, for the service of the house of God, according to the king's order to Asaph, Jeduthun, and Heman.”
King James Version (KJV)
25:5 The king's seer - He is called the king's seer, either becausethe king took special delight in him; or because he frequently attendedthe king in his palace, executing his sacred office there, while the restwere employed in the tabernacle. In the words - To sing Divine songs aswere inspired by God to the prophets or holy men of God. The horn - Topraise God with the sound of a trumpet or some other musical instrumentmade of horn, which being a martial kind of music, might be most gratefulto David's martial spirit: tho' he was also skilled in other instrumentsof music which he used in the house of God.
25:7 Cunning - Who were so skilful that they were able to teach others;and together with their scholars, made up the four thousand mentionedchap.#23:5|.
25:8 Ward - A course of Levites answerable to one of the priests,upon whom the Levites were to wait in their holy ministrations,chap.#23:28|.The scholar - Without any respect to their different ages or abilities.