This is the song of Moses and his older sister Miriam, and both of them testify to the great deeds that Yahweh did to deliver them from Egyptian slavery. They praise God and share this powerful testimony. Testimony is an important, part of Christian faith. The apostles were killed because of their testimony. Even today in many countries Christians are persecuted because of their testimony. Mainline protestant Christians, including Methodists need to be more willing and bolder in sharing their testimony.