Magazine, newspaper, and journal articles can be great sources. For the more scholarly material, most of the databases linked here have a place where you can limit your search to scholarly/peer-reviewed.
Try combining your country, region, or cultural group with terms like music; dance; song, etc.
MasterFILE Premier provides full-text for over 1,800 general interest, business, consumer health, general science, and multicultural periodicals. Also includes reference books, biographies, and images.