Aḥidus is a genre of singing and dancing emblematic of the Tamazight-speaking Berbers of the Middle Atlas and eastern High Atlas of Morocco. Aḥidus is performed during important festivities, such as marriages and circumcisions, and is centred on sung group dance and improvised poetic jousting between poet-singers, who have to master the vocal art as well as the prosody peculiar to this oral tradition. Men and women form two lines, facing each other or side by side, shoulder to shoulder. The general movement may be undulating with sudden