1 Chronicles 25:2 details the sons of Asaph as singers appointed by David, giving background to this singer group.

Ezra 2:41 also lists the children of Asaph as singers, though with a different total (128 vs 148), showing a parallel census.

1 Chronicles 6:39 identifies Asaph as a chief singer from Levi, grounding the family line of the singers.