Gagaku instruments consists of wind instruments, string instruments and percussion instruments. There are three type of wind instruments. They are Sho, Hichiriki and Ryuteki. There are mainly two kinds of stringed instruments, Koto and Biwa. Also there are three kinds of percussion instruments, Dadaiko, Shoko and Kakko. The wind instruments usually carry the melody. The two huge drums called "dadaiko" are a colorful part of a Gagaku performance. 