The Kombu (Tamil:கொம்பு, Malayalam: കൊമ്പ്) or Kompu also known as the Kombu Pattu is a wind instrument (a kind of Natural Horn) in Tamil nadu and Kerala.[1][2][3] 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 and Malayalam).
In ancient days kombu played during war along with Murasu.[4]