Gangsa is a flat gong that is played in an ensemble of two or more gongs of varying sizes.
In Kalinga, that gangsa is played in a group of six. Each player strikes the surface of the gong with a beater (pattung style) or with their bare palms (topayya style) in an interlocking way manners that creates a resultant melody. Its music usually accompanies dances in festive gatherings such as peace pacts and weddings.
A set of flat gongs is the most valuable instruments in Cordillera region. It is a traditional signifier of wealth among the rich class. The flat gongs are made of bronze, brass and iron.
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