Near the lush fields of his village in Sudan's southern Blue Nile state, Youssef Ismail has crafted a traditional horn-like instrument used for generations to usher in the harvest season. "We make new wazza instruments every year," Ismail, in his 70s, told AFP about the wooden wind instrument that is often longer than a grown man. "We learned this craft from our parents." He assembled pieces of the conical gourd ...