How does the changing landscape affect folk music?

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Folk music is self-expression of people, consisting of tunes, lyrics, and knowledge passed down orally through generations.

Agriculture, food, ecology, seasons and rituals are the aspects of life which are captured in folk music.

Three types of folk music mentioned in the text are Palligit, Bhatiwali and Lalon Giti.

Animal skin, bamboo and calabash are the materials used to make folk instruments.