Let our lord now command your servants who are before you, to seek out a man who is a skillful player on the harp: and it shall happen, when the evil spirit from God is on you, that he shall play with his hand, and you shall be well.
God was elevating David from the ranks of a shepherd of sheep (1 Samuel 16:11) to become the shepherd of His people, and David’s musical ability (1 Samuel 16:18) enabled him to lead the Israelites in the worship of Yahweh later.