Ezra 3:8

3:8 In the second year after they had come to the temple of God in Jerusalem, in the second month, Zerubbabel the son of Shealtiel and Jeshua the son of Jozadak initiated the work, along with the rest of their associates, the priests and the Levites, and all those who were coming to Jerusalem from the exile. They appointed the Levites who were at least twenty years old to take charge of the work on the Lord’s temple.

Ezra 3:10

3:10 When the builders established the Lord’s temple, the priests, ceremonially attired and with their clarions, and the Levites (the sons of Asaph) with their cymbals, stood to praise the Lord according to the instructions left by King David of Israel.