The singers, the sons of Asaph, were in their place according to the command of David, and Asaph, and Heman, and Jedu'thun the king's seer; and the gatekeepers were at each gate; they did not need to depart from their service, for their brethren the Levites prepared for them.
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.
(Revised Standard Version - Holy Bible)