Shirat Habakashot
"Shirat Habakashot is a cultural event that takes place among members of Eastern communities and North African Jewry, where it is customary to get up on Shabbat before dawn and sing together a collection of piyyutim before Shabbat morning prayer, starting on Shabbat Bereshit and Throughout the winter months. Shirat Habakashot is a collection of piyyutim from the sacred song in Spanish Jewry, piyyutim that express praise to God and longing for the Land of Israel, Shabbat piyyutim and more". (From Wikipedia)