American folk songs are traditional songs that reflect the culture, history, and experiences of the people in the United States. These songs often tell stories about everyday life, love, work, and social issues. They have been passed down through generations, evolving over time while maintaining their core themes and melodies. Many American folk songs are rooted in the music of various immigrant groups, including African American, Irish, and Native American communities. Instruments like the banjo, guitar, and fiddle are commonly used in folk music, contributing to its distinctive sound. Notable examples include "This Land Is Your Land" and "Oh! Susanna."