Saenap (a Korean brass wind instrument) is a peculiar national wind instrument.
Hard woods like paktal tree, date tree, etc. were used for its hollow pipe.
It is basically the same as a flute in the way of playing. It is characterized by bright and gorgeous timbre, fluency and strong appeal, and it produces great volume.
It is used as a melodic instrument in holiday amusements, instrumental music of peasants and dance music boasting of the pleasure of rich harvest, and in mixed orchestra it usually appears in the parts stimulating the national interest.