Besides the sun dance, North American Indians have many dances related to farming, hunting, fighting and entertainment. Some tribes have to dance "dog dance" when publishing laws (hunting laws or regional laws); Many tribes dance "bison dance" (in order to hunt bison smoothly); Aberdeen, Sarroca and Sikh also dance while planting tobacco. When Iroquois are excited about weaving corn, they will dance while playing musical instruments. People also sing and dance when they spend sowing festival, strawberry festival, green corn festival, harvest festival and maple leaf festival. When soldiers come back from the battlefield, women will take the lead in dancing (group dance or solo dance) with the sound of drums, flutes, songs and various musical instruments.