וְאַרְבַּ֥עַת אֲלָפִ֖ים שֹׁעֲרִ֑ים וְאַרְבַּ֤עַת אֲלָפִים֙ מְהַֽלְלִ֣ים לַיהוָ֔ה בַּכֵּלִ֕ים אֲשֶׁ֥ר עָשִׂ֖יתִי לְהַלֵּֽל׃
and four thousand were doorkeepers; and four thousand praised the LORD ‘with the instruments which I made to praise therewith.’
Read halakhic rulings (Jewish law) on I Chronicles 23:5: and classical halakhic sources.