What are the three kinds of vocal music of Mindoro?

(a)  

The common themes of the musical style of the vocal music of Visayas are about

(a)  

Palawan has 2 kinds of vocal forms which are called

(a)  

Owiwi, Dagdagay, Oppia, Langan bata-bata, Bua and Kawayanna are songs about

(a)