'Singing' in the Bible

Now these [are the men] whom David appointed for {control of singing} in the house of Yahweh where the ark rested.

And Kenaniah, chief of the Levites in singing, [was to be] an instructor in singing because he understood.

Now David was clothed with a robe of fine linen; so also all the Levites who were carrying the ark, the singers, and Kenaniah the chief of the singing. And David wore a linen ephod.