1 Chronicles 23:2-32 expands on the 'other duties' of Levites mentioned in 1 Chronicles 6:48, detailing David's organization.

1 Chronicles 23:4 details David's assignment of Levites to temple work — expanding on their 'other duties' mentioned here.

1 Chronicles 26:32 shows Levites appointed as overseers in Israel, exemplifying the 'other duties' assigned in 1 Chronicles 6:48.

1 Chronicles 25:1 describes the appointment of musicians, a distinct group from the 'fellow Levites' in 1 Chronicles 6:48 who had other duties.

Numbers 8:5-26 institutes the consecration and service of Levites, grounding the duties mentioned in 1 Chronicles 6:48 in the law.

Numbers 18:1-32 details the responsibilities and provisions for Levites — expanding on their 'other duties' mentioned here.

Numbers 3:38 assigns priests to sanctuary care — distinguishing their role from the Levites' supporting duties mentioned here.

Numbers 4:3 specifies the age range (30-50) for Levites doing tabernacle work — the same service referenced here.

Numbers 4:49 records the registration of Levites for their service, providing the wilderness precedent for the duties in 1 Chronicles 6:48.

In Numbers 16:9, Moses reminds the Levites they were separated for tabernacle service — the same role assigned to the Levites here.

In Numbers 16:10, Moses rebukes Levites for seeking the priesthood — contrasting with their assigned duties here.