Connecting Statement:

In these verses, the Levites continue to praise Yahweh in the presence of the people of Israel.

They captured

The Israelites at the time of Moses captured

"a fertile land"

holes in the ground where people store water

This might be a metaphor for "stopped thinking about Yahweh" or "became complacent." (See: rc://en/ta/man/translate/figs-metaphor)