The document provides information on the provinces and capitals of Mindanao in the Philippines. It discusses the origins of the names of several provinces, including South Cotabato being home to the T'boli tribe known for their crafts. North Cotabato takes its name from the Maguindanao word for "stone fort" referring to the fort of Sultan Kudarat. Sultan Kudarat province was named after the Muslim ruler Sultan Muhammad Dipatuan Kudarat. Sarangani was originally called Antonia by Spanish explorer Villalobos. General Santos was originally called Dadiangas by the indigenous B'laan people. The document also includes a B'laan folk song with translation