From the sons of Asaph: Zaccur, Joseph, Nethaniah, and Asarelah. The sons of Asaph were supervised by Asaph, who prophesied under the king’s supervision. ¹ 

Serving beside him was his fellow Levite Asaph, ¹  son of Berechiah, son of Shimea,

The musicians Heman, Asaph, and Ethan were to sound the bronze cymbals;

Bakbakkar; Heresh; Galal; Mattaniah son of Mika, son of Zikri, son of Asaph;

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

The divisions of the gatekeepers: From the Korahites: Meshelemiah, son of Kore, one of the sons of Asaph.

So the Levites appointed Heman son of Joel; one of his relatives, Asaph son of Berechiah; one of the descendants of Merari, ¹  Ethan son of Kushaiah;

David and the army officers selected some of the sons of Asaph, Heman, and Jeduthun to prophesy as they played stringed instruments and cymbals. ¹  The following men were assigned this responsibility: ² 

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;

All of these were under the supervision of their fathers; they were musicians in the Lord’s temple, playing cymbals and stringed instruments as they served in God’s temple. Asaph, Jeduthun, and Heman were under the supervision of the king.