sentences:  The ahwash is usually performed by two large groups of people, typically men and women on opposite sides, who alternate their performances of song, dance, poetry, and drumming on frame drums.The ahwash is rarely performed outside of individual villages, because of the difficulty of transporting the large number of participants (often more than twenty, and sometimes 150 or more).As a result, the ahwash has developed somewhat independently among different villages, and the details of the performances differ.