Kombu (instrument)
The kombu (Tamil: கொம்பு; Malayalam: കൊമ്പ്) or kompu, also known as kombu pattu, is a brass natural horn used primarily in the South Indian states of Tamil Nadu and Kerala. Usually played along with Panchavadyam, Pandi Melam, Panchari melam etc. This musical instrument is usually seen in south India. The instrument is like a long horn (Kombu in Tamil tulu and Malayalam).
In ancient times the kombu was played in battle, along with the murasu (kettledrum).
The size of a kombu can vary but it is approx 15 centimetres wide and 132 centimetres long. It is usually made of brass and costs about four thousand to five thousand.