Nehemiah 12:27-31

Now at the dedication of the wall of Jerusalem they sought out the Levites from all their places, to bring them to Jerusalem so that they could celebrate the dedication with joy, with songs of thanksgiving and with songs to the accompaniment of cymbals, harps, and lyres.

So the sons of the singers were assembled from the territory around Jerusalem, and from the villages of the Netophathites,

from Beth-gilgal and from their fields in Geba and Azmaveth, because the singers had built themselves villages around Jerusalem.

The priests and the Levites purified themselves; they also purified the people, the gates, and the wall. Procedures for the Temple

Then I had the leaders of Judah come up on top of the wall, and I appointed two large choirs, the first proceeding to the right on top of the wall toward the Dung Gate.