Exodus 15:20-24

Miriam the prophetess, Aaron’s sister, took the tambourine in her hand, and all the women went out after her with tambourines and with dancing.

And Miriam answered them, “Sing to the Lord, for He is highly exalted; The horse and his rider He has hurled into the sea.” The Lord Provides Water

Then Moses led Israel from the Red Sea, and they went out into the wilderness of Shur; and they went three days in the wilderness and found no water.

When they came to Marah, they could not drink the waters of Marah, because they were bitter; for that reason it was named Marah.

So the people grumbled at Moses, saying, “What are we to drink?”