A folk song is a traditional piece of music that reflects the culture, history, and values of a community. These songs are often passed down orally through generations, making them an important part of a society's heritage. They typically feature simple melodies and lyrics that tell stories about everyday life, love, work, and local events. Folk songs can vary widely between different regions and cultures, showcasing unique instruments and styles. They often serve as a means of preserving cultural identity and can be found in many forms, such as ballads, lullabies, and work songs. Notable examples include songs from the Appalachian Mountains and Irish folk music.