1 Chronicles 6:31-47 Holman Christian Standard Bible (HCSB)
31 These are the men David put in charge of the music in the Lord’s temple after the ark came to rest there. 32 They ministered with song in front of the tabernacle, the tent of meeting, until Solomon built the Lord’s temple in Jerusalem, and they performed their task according to the regulations given to them. 33 These are the men who served with their sons.
From the Kohathites: Heman the singer,
39 Heman’s relative was Asaph, who stood at his right hand:
44 On the left, their relatives were Merari’s sons:
1 Chronicles 25:1 Holman Christian Standard Bible (HCSB)
The Levitical Musicians
25 David and the officers of the army also set apart some of the sons of Asaph, Heman, and Jeduthun, who were to prophesy accompanied by lyres, harps, and cymbals. This is the list of the men who performed their service: