2 Chronicles 5:12

5:12 All the Levites who were musicians, including Asaph, Heman, Jeduthun, and their sons and relatives, wore linen. They played cymbals and stringed instruments as they stood east of the altar. They were accompanied by 120 priests who blew trumpets.

2 Chronicles 31:14

31:14 Kore son of Imnah, a Levite and the guard on the east side, was in charge of the voluntary offerings made to God and disbursed the contributions made to the Lord and the consecrated items.