NET
42 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.
Darby
42 and with them, [with] Heman and Jeduthun, trumpets and cymbals for those that should sound aloud; and the musical instruments of God. And the sons of Jeduthun were at the gate.
KJV
42 And with them Heman and Jeduthun with trumpets and cymbals for those that should make a sound, and with musical instruments of God. And the sons of Jeduthun [were] porters.