1 Chronicles 15:16-17

David also commanded the chiefs of the Levites to appoint their brothers as the singers who should play loudly on musical instruments, on harps and lyres and cymbals, to raise sounds of joy. So the Levites appointed Heman the son of Joel; and of his brothers Asaph the son of Berechiah; and of the sons of Merari, their brothers, Ethan the son of Kushaiah