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
SDA Bible Commentary (limited)
Volume 1-7
24. Blow with the trumpets. The seven priests here named marched before the ark, each blowing his trumpet, as stated in Joshua 6:4.