The musicians were divided into twenty-four groups of twelve, and each group went by the name of their family leader. They were assigned their duties in the following order: Joseph, Gedaliah, Zaccur, Zeri, Nethaniah, Bukkiah, Asarelah, Jeshaiah, Mattaniah, Shimei, Uzziel, Hashabiah, Shebuel, Mattithiah, Jerimoth, Hananiah, Joshbekashah, Hanani, Mallothi, Eliathah, Hothir, Giddalti, Mahazioth, and Romamtiezer.