וַיֶּאֱסֹ֥ף דָּוִ֛יד אֶת־בְּנֵ֥י אַֽהֲרֹ֖ן וְאֶת־הַלְוִיִּֽם׃
And David gathered together the sons of Aaron, and the Levites;
Read the Targum (classical Aramaic translation) of I Chronicles 15:4: Targum Onkelos and other Aramaic renditions, free online, no signup.