David told the leaders of the Levites to appoint their fellow Levites as musicians to make a joyful sound with musical instruments: lyres, harps and cymbals.
NIV
David told the chief Levites to appoint their brethren the singers with instruments of music--harps, lyres, and cymbals--to play loudly and lift up their voices with joy.
AMP
And David spake to the chief of the Levites to appoint their brethren to be the singers with instruments of musick, psalteries and harps and cymbals, sounding, by lifting up the voice with joy.
KJV