TSK
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(In earlier times in Israel, when a man went to inquire of God, thus he said, "Come, and let us go to the seer;" for he who is now called a prophet was before called a Seer.)
When David rose up in the morning, the word of Yahweh came to the prophet Gad, David's seer, saying,
He set the Levites in the house of Yahweh with cymbals, with stringed instruments, and with harps, according to the commandment of David, and of Gad the king's seer, and Nathan the prophet; for the commandment was of Yahweh by his prophets.