The Kombu is a kind of a wind instrument usually seen in Tamil Nadu and Kerala (South Indian states). It is a kind of a Natural Horn.
How it is played : The kombu is played by holding it with both hands and blowing air into it like a trumpet.
Fact: It can only produce three notes (sa, pa, and higher sa).
Modern kombus are made out of bronze and are either in 'C' shape or 'S' shape (like a longhorn).
South India, more than 2000 years ago.
The Kombu is currently mainly used in the temples of South India during prayers.
Aliases : Kompu, Kombu Pattu.