19 The singers, Heman, Asaph, and Ethan, were to sound bronze cymbals; 20 Zechari'ah, A'zi-el, Shemi'ramoth, Jehi'el, Unni, Eli'ab, Ma-asei'ah, and Benai'ah were to play harps according to Al'amoth; 21 but Mattithi'ah, Eliph'elehu, Miknei'ah, O'bed-e'dom, Je-i'el, and Azazi'ah were to lead with lyres according to the Shem'inith.
Matthew Henry's Commentary on 1 Chronicles 15:19-21
Commentary on 1 Chronicles 15:1-24
(Read 1 Chronicles 15:1-24)
Wise and good men may be guilty of oversights, which they will correct, as soon as they are aware of them. David does not try to justify what had been done amiss, nor to lay the blame on others; but he owns himself guilty, with others, of not seeking God in due order