It is an exposition in the style of the later aggadah, and seems to have been intended for Shabbat Shirah or for the seventh day of Passover.
Entire sections of Midrash Vayosha are taken verbatim from the Tanhuma, such as the passage on Exodus 15:3[2] and on 15:5.
In the exposition of Exodus 15:18 on the sorrows and the redemption in the Messianic time, the terrible figure of Armilus is described.
It is said that he will slay the Messiah son of Joseph, but will himself be slain by the Messiah who is the son of David;[5] God will then gather together the scattered remnant of Israel and hold the final judgment.
The wonderful beauty of a new world full of joy and happiness is revealed.