Answer:

four gongs are used to produce a kind of music called the tagungo. Mindanao folk music includes the ancient Muslim folk song and dance called estijaro, and a Mindanao folk song called uruyan. These are usually accompanied by drums, gongs, or other percussion instruments like the subing, a gong.

Explanation:

AHAHAH ITS ME.. AGAIN DE JOK LANG DI AKO TOH DE JOK LNG ULET AKO TALAGA TOH... HMM MALAPIT NA KITA MAABUTAN AHEHEH EXPERT NA AKO