7 That day David first appointed Asaph and his associates to give praise to the Lord in this manner:

7 Then on that day David first appointed that thanksgiving be sung to the Lord by Asaph and his brothers.

7 On that day David gave to Asaph and his fellow Levites this song of thanksgiving to the Lord:

7 On that day David first delivered this psalm into the hand of Asaph and his brethren, to thank the Lord:

7 That day David first gave Asaph and his relatives the job of singing praises to the Lord.

7 Then on that day did David first ordain to give thanks unto Jehovah, by the hand of Asaph and his brethren.

7 Then on that day David delivered first this psalm to give thanks to Jehovah through Asaph and his brethren.

7 For the first time David entrusted Asaph and his relatives with the task of singing songs of thanks to the Lord: 

7 On that day David decreed for the first time that thanks be given to the Lord by Asaph and his relatives:

7 Then on that day David first appointed the singing of praises to the Lord by Asaph and his kindred.

7 Then on that day David first appointed to give thanks to Yahweh by the hand of Asaph and his brothers.

7 That day was the first time David gave Asaph and his helpers this psalm of thanks to the Lord.

7 Then on that day David first assigned Asaph and his relatives to give thanks to the Lord.