Mountain indigenous townships are those with significant populations of Taiwanese aborigines. Indigenous Australian music refers to the music of Aborigines and Torres Strait Islanders. Japanese settlers were choice victims of headhunting raids by Taiwanese Mountain Aborigines. Racist hostility was high toward nonwhites, including Pacific Islanders, Chinese and Aborigines. DNA studies have shown mixed results of both Chinese ancestors and Taiwanese Aborigines. The Taiwanese Plains Aborigines adopted Han customs. The aborigines or Orang Asli are basically jungle dwellers. NAIDOC originally was an acronym for the National Aborigines and Islanders Day Observance Committee. That led to an escalating cycle of conflicts between Aborigines and Europeans. Pan-Blue tends to do well among Mainlanders, Taiwanese aborigines, and Hakka. Han people traded and sold matchlock muskets to the Taiwanese aborigines. Headhunting was a common practice among Taiwanese aborigines. Many of the Plains Aborigines were matrilineal/matrifocal societies. Both groups are strongly related genetically to East Asians, particularly Taiwanese aborigines. Taiwanese aborigines, including a small population on the mainland, speak Austronesian languages.