It stretched membrane tapped by hands or sticks.

It is plucked, strummed, or bowed

It is a goblet-shaped drum of Maguindanao and Maranao, which has a single head covered with goat, lizard, or snakeskin. It is struck with two thin bamboosticks about 18 inches in length.

Kudyapi is a guitar with two strings. It is about 1 1/2 m long and made of wood. It has a stick to support in its lower end and is played in the same position as the cello.

Suling- ring flute of Bilaan and Tiruray, Maguindanao, Samal, Tausug and Yakan -are the smallest bamboo flute of the Maguindanaon and the only one classified as a ring-flute (the other two bamboo flutes of the Maguindanaon, the tumpong and the palendag are both lip-valley flutes)

Gabbang is similar to a xylophone. It is made of a wooden box with one end wider than the other and an open top. Across the top, wooden bars of different lengths are placed to fit the shape of the box, about 1 cm from each other. It is played by striking the wooden bars with a wooden hammer. This instrument is popular in

Sulu.