Pete Seeger's genre is FOLK. FOLK music is a genre of traditional and popular music that originated in Europe during the 19th century. It is often characterized by acoustic instruments, simple melodies, and lyrics that tell stories of everyday life. Pete Seeger was an American FOLK singer, songwriter, and social activist who was a major influence in the American FOLK music revival of the 1950s and 1960s. He was known for his protest songs and his commitment to social justice.