employed: A number of Levites were employed by rotation in singing the praises of Jehovah; and they seem to have continued the service day and night. See the references. Psa 134:1, Psa 134:2, Psa 135:1-3
Reciprocal: Num 18:5 - And ye 1Ch 6:32 - and then 1Ch 23:5 - praised 1Ch 23:30 - stand 2Ch 29:25 - And he set Neh 12:8 - the thanksgiving Neh 12:12 - the chief