The Limbu community of Sikkim has their own folk songs, which may include:

Themes of mythology and ancestors
The use of the chyabrung (drum)
Choral singing
All of the above

The correct answer is: d) All of the above.

The Limbu community of Sikkim has a rich tradition of folk music, which is passed down through generations. Their folk songs often include themes of mythology and ancestors, as well as the use of the chyabrung (drum) and choral singing.

The chyabrung is a traditional drum used in Limbu music. It is made from a hollowed-out log and has a skin stretched over one end. The chyabrung is played with two sticks, and its sound is used to accompany singing and dancing.

Choral singing is also an important part of Limbu music. Groups of singers will often gather to perform folk songs, which can be about a variety of topics, such as love, nature, and social issues.

Limbu folk music is an important part of the community’s culture and identity. It is a way for people to connect with their past and to express themselves creatively.