The kutiyapi, or kudyapi, is an indianized Filipino two-stringed, fretted boat-lute. It is the only stringed instrument among the Maguindanao people, and one of several among other groups such as the Maranao and Manobo.
The Batan Islands are an archipelago of the Philippines. They are located north of the Philippine main island of Luzon in the Strait of Luzon and belong to the province of Cagayan.
The Bagobo also Manobo, Manuvu, Obbo, Obo, are indigenous peoples of the Philippines.