I Chronicles 16:6 Kabbalah

וּבְנָיָ֥הוּ וְיַחֲזִיאֵ֖ל הַכֹּהֲנִ֑ים בַּחֲצֹצְר֣וֹת תָּמִ֔יד לִפְנֵ֖י אֲר֥וֹן בְּרִית־הָאֱלֹהִֽים׃

and Benaiah and Jahaziel the priests with trumpets continually, before the ark of the covenant of God.

Read kabbalistic (mystical) interpretation of I Chronicles 16:6: and classical mystical sources.