15 The Levites carried the ark of God on their shoulders with the poles, as Moses commanded by the word of the Lord.
16 David told the chief Levites to appoint their brethren the singers with instruments of music–harps, lyres, and cymbals–to play loudly and lift up their voices with joy.
17 So the Levites appointed Heman son of Joel; and of his brethren, Asaph son of Berechiah; and of the sons of Merari their brethren, Ethan son of Kushaiah;
18 And with them their brethren of the second class: Zechariah, Ben, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Eliphelehu, and Mikneiah, and also the gatekeepers, Obed-edom and Jeiel.
19 So the singers Heman, Asaph, and Ethan, were appointed to sound bronze cymbals;
20 Zechariah, Aziel, Shemiramoth, Jehiel, Unni, Eliab, Maaseiah, and Benaiah were to play harps [resembling guitars] set to Alamoth [probably the treble voice];
21 Mattithiah, Eliphelehu, Mikneiah, Obed-edom, Jeiel, and Azaziah were to lead with lyres set to Sheminith [the bass voice].