Ezra 3:8
“Now in the second year of their coming unto the house of God at Jerusalem, in the second month, began Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the remnant of their brethren the priests and the Levites, and all they that were come out of the captivity unto Jerusalem; and appointed the Levites, from twenty years old and upward, to set forward the work of the house of the Lord.”
From the first day of the seventh month began they to offer burnt offerings unto the Lord. But the foundation of the temple of the Lord was not yet laid.
They gave money also unto the masons, and to the carpenters; and meat, and drink, and oil, unto them of Zidon, and to them of Tyre, to bring cedar trees from Lebanon to the sea of Joppa, according to the grant that they had of Cyrus king of Persia.
Now in the second year of their coming unto the house of God at Jerusalem, in the second month, began Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the remnant of their brethren the priests and the Levites, and all they that were come out of the captivity unto Jerusalem; and appointed the Levites, from twenty years old and upward, to set forward the work of the house of the Lord.
Then stood Jeshua with his sons and his brethren, Kadmiel and his sons, the sons of Judah, together, to set forward the workmen in the house of God: the sons of Henadad, with their sons and their brethren the Levites.
And when the builders laid the foundation of the temple of the Lord, they set the priests in their apparel with trumpets, and the Levites the sons of Asaph with cymbals, to praise the Lord, after the ordinance of David king of Israel.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“From thirty years old and upward even until fifty years old, all that enter into the host, to do the work in the tabernacle of the congregation.”
“And in the eleventh year, in the month Bul, which is the eighth month, was the house finished throughout all the parts thereof, and according to all the fashion of it. So was he seven years in building it.”
“And the sons of Jeconiah; Assir, Salathiel his son,”
“Of which, twenty and four thousand were to set forward the work of the house of the Lord; and six thousand were officers and judges:”
“These were the sons of Levi after the house of their fathers; even the chief of the fathers, as they were counted by number of names by their polls, that did the work for the service of the house of the Lord, from the age of twenty years and upward.”