1 Chronicles 25:1-6

David Organizes the Musicians

1David and the chiefs of the service also set apart for the service the sons of aAsaph, and of bHeman, and of cJeduthun, who dprophesied with lyres, with eharps, and with cymbals. The list of those who did the work and of their duties was: 2Of the sons of Asaph: Zaccur, Joseph, Nethaniah, and Asharelah, sons of Asaph, under the direction of Asaph, who fprophesied under the direction of the king. 3Of Jeduthun, the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Shimei,
One Hebrew manuscript, Septuagint; most Hebrew manuscripts lack  Shimei
Hashabiah, and Mattithiah, six, under the direction of their father Jeduthun, hwho prophesied with the lyre in thanksgiving and praise to the Lord.
4Of Heman, the sons of Heman: Bukkiah, Mattaniah, Uzziel, Shebuel and Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, and Romamti-ezer, Joshbekashah, Mallothi, Hothir, Mahazioth. 5All these were the sons of Heman ithe king’s seer, according to the promise of God to exalt him, for God had given Heman fourteen sons and three daughters. 6They were all under the direction of their father in the music in the house of the Lord with cymbals, jharps, and lyres for the service of the house of God. Asaph, Jeduthun, and Heman were under the order of the king.

Nehemiah 11:17

17and kMattaniah the son of Mica, son of Zabdi, son of Asaph, who was the leader of the praise,
Compare Septuagint, Vulgate; Hebrew beginning
who gave thanks, and Bakbukiah, the second among his brothers; and Abda the son of Shammua, son of Galal, son of Jeduthun.

Nehemiah 12:46

46For long ago in the days of David and mAsaph there were directors of the singers, and there were songs
Or leaders
of praise and thanksgiving to God.
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