KJV : And he set <05975> (8686) the Levites <03881> in the house <01004> of the LORD <03068> with cymbals <04700>, with psalteries <05035>, and with harps <03658>, according to the commandment <04687> of David <01732>, and of Gad <01410> the king's <04428> seer <02374>, and Nathan <05416> the prophet <05030>: for [so was] the commandment <04687> of <03027> the LORD <03068> by <03027> his prophets <05030>. {commandment of the LORD: Heb. commandment by the hand of the LORD} {by: Heb. by the hand of}
NASB :
NASB# : He then stationed<5975> the Levites<3881> in the house<1004> of the LORD<3068> with cymbals<4700>, with harps<5035> and with lyres<3658>, according to the command<4687> of David<1732> and of Gad<1410> the king's<4428> seer<2374>, and of Nathan<5416> the prophet<5030>; for the command<4687> was from the LORD<3068> through<3027> His prophets<5030>.