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.

Ezra 8:18

8:18 Due to the fact that the good hand of our God was on us, they brought us a skilled man, from the descendants of Mahli the son of Levi son of Israel. This man was Sherebiah, who was accompanied by his sons and brothers, 18 men,

Ezra 9:2

9:2 Indeed, they have taken some of their daughters as wives for themselves and for their sons, so that the holy race has become intermingled with the local residents. Worse still, the leaders and the officials have been at the forefront of all of this!”