Charles Ellicott Commentary Nehemiah 12:29

"also from Beth-gilgal, and out of the fields of Geba and Azmaveth: for the singers had builded them villages round about Jerusalem." — Nehemiah 12:29 (ASV)

The singers. —As the Nethinim were settled in Ophel, so the class of Levitical singers were chiefly to be found in villages to the north of the city.