Heman and Jeduthun were in charge of the music, including the trumpets, cymbals, and the other musical instruments used in praising God. The sons of Jeduthun guarded the entrance. ¹ 

From the sons of Jeduthun: ¹  Gedaliah, Zeri, ²  Jeshaiah, ³  Hashabiah, and Mattithiah – six in all, ⁴  under supervision of their father Jeduthun, who prophesied as he played a harp, giving thanks and praise to the Lord.

including Obed-Edom and sixty-eight colleagues. Obed-Edom son of Jeduthun and Hosah were gatekeepers.

Obadiah son of Shemaiah, son of Galal, son of Jeduthun; and Berechiah son of Asa, son of Elkanah, who lived among the settlements of the Netophathites.

Joining them were Heman, Jeduthun, and the rest of those chosen and designated by name to give thanks to the Lord. (For his loyal love endures!) ¹ 

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 

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.