Midrash Vayosha (Hebrew: מדרש ויושע) is an 11th-century CE midrash, one of the smaller midrashim. It is based on Exodus 14:30-15:18. 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. Source: Wikipedia (en)