From the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Hashabiah, and Mattithiah – six in all, under supervision of their father Jeduthun, who prophesied as he played a harp, giving thanks and praise to the Lord.
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.
I decided, “I will watch what I say and make sure I do not sin with my tongue. I will put a muzzle over my mouth while in the presence of an evil man.”