en_tn/neh/12/29.md

Beth Gilgal...Geba and Azmaveth...Jerusalem

These are the names of places. (See: rc://en/ta/man/translate/translate-names)

for the singers had built for themselves villages around Jerusalem

"for the singers lived in musical communities they had built in places surrounding Jerusalem."

The priests and the Levites purified

This refers to a process of ritually purifying everything participating in the dedication ceremony: leaders, participants, instruments, buildings, even the walls themselves.