1 Chronicles 16:42

Heman and Jeduthun had trumpets and cymbals for the music and instruments for sacred song. The sons of Jeduthun were appointed to the gate .

Heman and Jeduthun were responsible for the sounding of the trumpets and cymbals and for the playing of the other instruments for sacred song. The sons of Jeduthun were stationed at the gate.

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.