The Levite family leaders who were the musicians also lived at the temple. They had no other responsibilities, because they were on duty day and night.
Then Hezekiah and his officials ordered the Levites to sing the songs of praise that David and Asaph the prophet had written. And so they bowed down and joyfully sang praises to the LORD.
Then there was Mattaniah son of Mica. His ancestors were Zabdi and Asaph. Mattaniah led the temple choir in the prayer of praise. Bakbukiah, who also settled in Jerusalem, was his assistant. Finally, there was Abda son of Shammua; his grandfather was Galal, and his great-grandfather was Jeduthun.