was] Or, was for the carriage: he instructed about the carriage.
song] Heb. lifting up.
he instructed about the song] He taught how to begin, how to rise, how to fall, how to rest: every way how to set, or keep tune, as a skilfull singing-master. Or, as one skilfull about ordering the ark, he directed others about the manner of carrying it, with what pace to go, when to stand, and when to change bearers. See 2 Samuel 6:13.