World music is not a genre; it is a filing decision. The tag collects everything that does not fit the Anglo-American categories, which in this directory means African, Arabic, Asian, Indian, Celtic, folklore and traditional music from dozens of separate traditions.
Used deliberately, it is the most rewarding category here. The stations filed under it are mostly small, often community-run, and playing repertoire that has no other broadcast outlet outside its home region: Cape Verdean morna, Caribbean zouk and kompa, Scottish and Irish traditional session music, West African styles, Portuguese fado, Argentine tango.
These stations are also, as a group, the most fragile in the directory. They tend to run on small budgets and modest hosting, which shows up as lower bitrates, occasional outages and stream URLs that change without notice. That is why every stream here carries a verification date; in this category more than any other, a listing that has not been checked recently is not worth much.