The New John Gill Exposition of the Entire Bible1 Chronicles 9:34
These chief fathers of the Levites were chief throughout their
Even all before made mention of in this chapter:
these dwelt at Jerusalem;
always resided there, and did not in turns go
into the country villages, as the inferior Levites did; their office
requiring them to be constantly there, being chief of the porters,
singers… who had the superintendency and direction of the rest.