In Exodus 15:20, Miriam, the sister of Moses, plays a significant role after the Israelites' escape from Egypt. She leads the women in celebration, using a tambourine to express their joy and gratitude for their deliverance from slavery. This moment highlights the importance of music and dance in expressing communal happiness and faith. Miriam's actions symbolize the collective relief and triumph of the Israelites as they witness the miraculous parting of the Red Sea. This event marks a pivotal moment in their journey, reinforcing their faith in God and the leadership of Moses.