Country music often incorporates themes of nature, such as rural landscapes, farming, and the changing seasons.

Bluegrass music is characterized by its use of stringed instruments, such as the banjo, guitar, and fiddle, and its focus on traditional Appalachian themes.

Work songs are often sung by groups of people who are working together, and they use call-and-response singing to coordinate their efforts.

Spirituals are religious songs that were originally sung by enslaved African Americans in the United States. They often incorporate themes of hope, faith, and liberation.

Ballads are traditional folk songs that tell stories about historical events, heroes, and other notable figures.

Celtic music is a broad genre of folk music that originated in the British Isles. It includes traditional songs, dances, and instrumental pieces from countries such as Ireland, Scotland, Wales, and Brittany.

Choral music is a genre of music that is performed by a group of singers. It often includes polyphonic singing, which is when two or more melodies are sung simultaneously.

Powwow music is a genre of traditional Native American music that is performed at powwows, which are social gatherings and celebrations.

Jazz is a genre of music that is characterized by its use of improvisation. Jazz musicians often create new melodies, harmonies, and rhythms while they are performing.

Calypso is a genre of traditional Caribbean music that originated in Trinidad and Tobago. It is characterized by its use of call-and-response singing and its upbeat rhythms.

Yodeling is a technique of singing that involves rapidly changing between two or more pitches. It is often used in country music and other folk genres.

Fado is a genre of traditional Portuguese folk music that is characterized by its melancholic melodies and lyrics. It is often performed with a guitar and a Portuguese guitar.

Polyrhythms are the use of two or more rhythms that are played simultaneously. They are often found in African music and other folk genres from around the world.

Andean music is a genre of traditional folk music that originated in the Andes region of South America. It is characterized by its use of panpipes, flutes, and other traditional instruments.

Drones are a continuous, unchanging pitch that is played throughout a piece of music. They are often used in Indian classical music and other folk genres from around the world.