In that day, David made Asaph the leader, in order to confess to the Lord with his brothers
Other versions
King James Version
Then on that day David delivered first this psalm to thank the LORD into the hand of Asaph and his brethren.English Standard Version
Then on that day David first appointed that thanksgiving be sung to the LORD by Asaph and his brothers.New International Version
That day David first committed to Asaph and his associates this psalm of thanks to the LORD: