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.
Ver. 16. And David spake to the chief of the Levites] From hence it appeareth, saith one, that this sacred music, vocal and instrumental, was in use even before David's time; though there be no mention made of it in the law: but David did afterwards illustrate it. 1Ch 25:1-7