The writings of the Ari"zal explain that the generation of the future Redemption is the reincarnation of the generation that went out of Egypt. Accordingly, the righteous women of our generation, in whose merit we will be redeemed, are the same righteous women in whose merit we left Egypt.
Our generation is the last generation of exile and the first generation of Redemption, for, in the words of my sainted father-in-law, all aspects of the Divine service have been completed and we stand ready to greet our righteous Moshiach. Since this is the case, my sainted father-in-law, the leader of our generation, endeavored to affect and influence the women, in order to hasten the Redemption in the merit of the righteous women of our generation.
...There is a unique and essential lesson in regards to the concept of the song, as exemplified by the song of Miryam and the song of Devorah:
Just as in the exodus from Egypt "the righteous women of the generation were confident that G-d would perform miracles for them, and they brought tambourines from Egypt," so too in this final Redemption from exile, the righteous women of Israel must be confident, and certainly they are confident, that immediately and imminently the true and complete Redemption is actually coming. [So strong is their conviction that] "they begin immediately (in the last moments of exile) to sing with tambourines and with dances,"
