12 Then the L'vi'im set about the task - Machat the son of 'Amasai and Yo'el the son of 'Azaryahu from the descendants of the K'hati; of the sons of M'rari, Kish the son of 'Avdi and 'Azaryahu the son of Yehallel'el; of the Gershuni, Yo'ach the son of Zimah and 'Eden the son of Yo'ach;