"Goodnight, Irene" is a traditional American folk song that has been popularized by various artists over the years. The song expresses themes of love and longing, often reflecting on the pain of separation. It is commonly associated with the American folk music revival of the 20th century. The song was notably recorded by Lead Belly in the 1930s and later by The Weavers in the 1950s, contributing to its widespread recognition. Its simple melody and heartfelt lyrics have made it a favorite for sing-alongs and performances, ensuring its place in American music history.