1 Tawarikh 16:5

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 Tawarikh 23:31

23:31 and whenever burnt sacrifices were offered to the Lord on the Sabbath and at new moon festivals and assemblies. A designated number were to serve before the Lord regularly in accordance with regulations. ¹ 

[23:31]  ¹ tn Heb “by number according to the manner upon them, regularly before the Lord.”