This verse lists the names of the Levites who were appointed by Nehemiah, the governor, and Ezra, the priest and scribe, to oversee the musical worship in Jerusalem. It highlights the importance of organized worship and the specific roles assigned to the Levites in leading the people in praising God through music. By mentioning these individuals by name, it emphasizes the significance of their service and dedication to the worship of God in the community. This verse showcases the attention to detail and orderliness in the worship practices of the Israelites during the time of Nehemiah's leadership. Overall, it underscores the value of honoring God through structured and purposeful worship.