15 The singers the sons of Asaf were in their place, according to the mitzvah of David, and Asaf, and Heman, and Yedutun the king's seer; and the porters were at every gate: they didn't need to depart from their service; for their brothers the Levites prepared for them.
15
The musicians, the descendants of Asaph, were in the places prescribed by David, Asaph, Heman and Jeduthun the king’s seer. The gatekeepers at each gate did not need to leave their posts, because their fellow Levites made the preparations for them.