David, together with the commanders of the army, set apart some of the sons of Asaph,1 Heman2 and Jeduthun3 for the ministry of prophesying,4 accompanied by harps, lyres and cymbals.5 Here is the list of the men6 who performed this service:7
References for 1 Chronicles 25:1
From the sons of Asaph: Zaccur, Joseph, Nethaniah and Asarelah. The sons of Asaph were under the supervision of Asaph, who prophesied under the king's supervision.
As for Jeduthun, from his sons:8 Gedaliah, Zeri, Jeshaiah, Shimei, Hashabiah and Mattithiah, six in all, under the supervision of their father Jeduthun, who prophesied, using the harp9 in thanking and praising the LORD.
References for 1 Chronicles 25:3
As for Heman, from his sons: Bukkiah, Mattaniah, Uzziel, Shubael and Jerimoth; Hananiah, Hanani, Eliathah, Giddalti and Romamti-Ezer; Joshbekashah, Mallothi, Hothir and Mahazioth.
All these were sons of Heman the king's seer. They were given him through the promises of God to exalt him. God gave Heman fourteen sons and three daughters.
References for 1 Chronicles 25:5
All these men were under the supervision of their fathers10 for the music of the temple of the LORD, with cymbals, lyres and harps, for the ministry at the house of God. Asaph, Jeduthun and Heman11 were under the supervision of the king.12
References for 1 Chronicles 25:6