Shared ground
These verses underline one central claim: Yahweh is the one who won the victory at the sea. Verse 19 retells the outcome in compressed form—Egypt’s elite forces enter the sea, the waters come back over them, and Israel walks through on dry ground. The contrast is sharp: the same sea becomes judgment for one side and a path of escape for the other.
The passage also shows that Israel’s praise was communal and embodied. Miriam is introduced as a prophet and as Aaron’s sister, she initiates a public procession with tambourines, and “all the women” follow her with music and dancing. Miriam’s refrain keeps the focus on the decisive point of the story: the defeat of “horse and rider,” a memorable summary of Egypt’s military power being overturned.
Where interpretation differs (only where needed)
Who is “them” in “Miriam answered them” (v. 21)? Some read “them” as the women in the procession, meaning Miriam leads an exchange within the women’s group. Others read it as the whole gathered people (or the main singers), meaning her refrain functions as a public response that prompts everyone to keep singing the core line.
How Miriam’s “prophet” role functions here (v. 20). Many take the title to mean she is recognized as a genuine spokesperson for God, and her leadership in worship fits that role. Others think the title mainly marks her as an inspired leader for this moment of celebration, without specifying exactly how she delivered messages from God in this scene.
Is v. 19 narrator comment or part of the performed song? Some treat it as a brief narrative note that frames the singing. Others think it may reflect a line that was recited/sung as part of the celebration, since it echoes and reinforces the song’s themes.
Why the disagreement exists
The text itself is brief and does not spell out the audience (“them”), the mechanics of Miriam’s prophetic activity, or whether v. 19 is spoken within the song. Because the passage functions as both story recap and performance scene, readers differ on how tightly to connect each line to the liturgy of the moment versus the narrator’s summary.
What this passage clearly contributes
It reinforces the exodus theme that deliverance is attributed to Yahweh’s action, not Israel’s strength. It also highlights that remembrance happens through repeatable words and public celebration: a short refrain, led by Miriam, helps the community carry the event’s meaning forward. The mention of Miriam as prophet and the women’s procession shows that visible leadership in Israel’s public praise included women, at least in this victory setting.