And the singers
shiyr (sheer)
to sing -- sing(-er, -ing man, -ing woman).
the sons
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Asaph
Acaph (aw-sawf')
collector; Asaph, the name of three Israelites, and of the family of the first -- Asaph.
were in their place
ma`amad (mah-am-awd')
(figuratively) a position -- attendance, office, place, state.
according to the commandment
mitsvah (mits-vaw')
a command, whether human or divine (collectively, the Law) -- (which was) commanded(-ment), law, ordinance, precept.
of David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
and Asaph
Acaph (aw-sawf')
collector; Asaph, the name of three Israelites, and of the family of the first -- Asaph.
and Heman
Heyman (hay-mawn')
faithful; Heman, the name of at least two Israelites -- Heman.
and Jeduthun
Yduwthuwn (yed-oo-thoon')
laudatory; Jeduthun, an Israelite -- Jeduthun.
the king's
melek (meh'-lek)
a king -- king, royal.
seer
chozeh (kho-zeh')
a beholder in vision; also a compact (as looked upon with approval) -- agreement, prophet, see that, seer, (star-)gazer.
and the porters
show`er (sho-are')
a janitor -- doorkeeper, porter.
waited at every gate
sha`ar (shah'-ar)
an opening, i.e. door or gate -- city, door, gate, port (-er).
they might not depart
cuwr (soor)
to turn off (literal or figurative)
from their service
`abodah (ab-o-daw')
work of any kind -- act, bondage, + bondservant, effect, labour, ministering(-try), office, service(-ile, -itude), tillage, use, work, wrought.
for their brethren
'ach (awkh)
a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like 1) -- another, brother(-ly); kindred, like, other.
the Levites
Leviyiy (lay-vee-ee')
a Levite or descendant of Levi -- Leviite.
prepared
kuwn (koon)
to be erect (i.e. stand perpendicular); hence (causatively) to set up, in a great variety of applications
for them