Hesabu 10 : 8 Numbers chapter 10 verse 8

Wana wa Haruni, makuhani, ndio watakaopiga hizo tarumbeta; nazo zitakuwa kwenu ni amri ya milele katika vizazi vyenu vyote.
soma Mlango wa 10

The sons of Aaron, the priests, shall blow the trumpets; and they shall be to you for a statute forever throughout your generations.