Yedid Nefesh is a piyyut (poem) usually sung on Friday night just before the Kabbalat Shabbat (Welcoming Shabbat) service begins.
According to Wikipedia, this beautiful poem is commonly attributed to the sixteenth century kabbalist, Rabbi Elazar ben Moshe Azikri (1533-1600), who first published it in Sefer Charedim (published in Venice 1601), but Azikri did not claim authorship of it and there have been other suggested authors (e.g. Judah Halevi, or Israel Nagara).
The first letters of each of the four verses make up the four letter name of God, known in English as the tetragrammaton.
In today's video, Yedid Nefesh is sung by Rabbi Meir Barchichat. Rabbi Barchichat is the founder of Netiv Meir, whose primary activity is organizing Bar Mitzvah celebrations for underprivileged children in Israel.
Enjoy, and Shabbat shalom!
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