Numbers 4:24 Midrash

זֹ֣את עֲבֹדַ֔ת מִשְׁפְּחֹ֖ת הַגֵּרְשֻׁנִּ֑י לַעֲבֹ֖ד וּלְמַשָּֽׂא׃

This is the service of the families of the Gershonites, in serving and in bearing burdens:

Read midrashic interpretation of Numbers 4:24: and classical rabbinic exegesis.