1 Chronicles 16:4-5

16:4 He appointed some of the Levites to serve before the ark of the Lord, to offer prayers, songs of thanks, and hymns to the Lord God of Israel. 16:5 Asaph was the leader and Zechariah second in command, followed by Jeiel, Shemiramoth, Jehiel, Mattithiah, Eliab, Benaiah, Obed-Edom, and Jeiel. They were to play stringed instruments; Asaph was to sound the cymbals;

1 Chronicles 16:7

David Thanks God

16:7 That day David first gave to Asaph and his colleagues this song of thanks to the Lord:

1 Chronicles 16:37

David Appoints Worship Leaders

16:37 David left Asaph and his colleagues there before the ark of the Lord’s covenant to serve before the ark regularly and fulfill each day’s requirements,