And the Kohathites set out, carrying the articles for the sanctuary; ¹  the tabernacle was to be set up ²  before they arrived. ³ 

The men worked faithfully. Their supervisors were Jahath and Obadiah (Levites descended from Merari), as well as Zechariah and Meshullam (descendants of Kohath). The Levites, all of whom were skilled musicians,

Serving beside them were their fellow Levites, the descendants of Merari, led by ¹  Ethan, son of Kishi, son of Abdi, son of Malluch,

So the Levites appointed Heman son of Joel; one of his relatives, Asaph son of Berechiah; one of the descendants of Merari, ¹  Ethan son of Kushaiah;