Rain rituals with possession dances among the Songhay and Zarma of Simiri, Zermaganda, Niger. Dry Season: The village of Simiri; water carriers, the rainbow tree. Possession of the faithful making their way to the spirits' hut on the seventh day of the seventh month of the dry season. All of the inhabitants of the village go to the spirits' hut to celebrate the Yenendi, the festival of the rain. Preparation by the musicians: under the shelter, gourd drummers. The chief of the village, old Wadi Sorko, prepares his violin. Dance of the "spirit" horse (possession dance).