They ministered with song before the tent of the tent of meeting, until Shlomo had built the house of the LORD in Yerushalayim: and they waited on their office according to their order.
These are the singers, heads of fathers' [houses] of the Levites, [who lived] in the chambers [and were] free [from other service]; for they were employed in their work day and night.
Chizkiyahu appointed the divisions of the Kohanim and the Levites after their divisions, every man according to his service, both the Kohanim and the Levites, for burnt offerings and for shalom offerings, to minister, and to give thanks, and to praise in the gates of the camp of the LORD.
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.
They set the Kohanim in their divisions, and the Levites in their courses, for the service of God, which is at Yerushalayim; as it is written in the book of Moshe.
Outside of the inner gate were chambers for the singers in the inner court, which was at the side of the north gate; and their prospect was toward the south; one at the side of the east gate having the prospect toward the north.