The leaders of the Levites were Hashabiah, Sherebiah, and Jeshua son of Kadmiel, along with their associates, who stood across from them to give praise and thanksgiving as one section alternated with the other, as prescribed by David the man of God.
Jewish Publication Society of America Version (JPS1917) - Nehemiah 12:24 >And the chiefs of the Levites: Hashabiah, Sherebiah, and Jeshua the son of Kadmiel, with their brethren over against them, to praise and give thanks, according to the commandment of David the man of God, ward against ward.