The Song Festival was a large-scale music performance held in Korea every year. It was one of the important events in the Korean music industry. At the 2021 Song Festival, the fourth generation girl group paid tribute to Girls 'Generation, showing their respect and interpretation of the classic songs of Girls' Generation, which attracted a lot of attention. From a musical point of view, songs and dances that paid tribute to Girls 'Generation were classic representative works that represented the peak of Korean pop music. These songs and dances were of high artistic value and appreciation, demonstrating the strength and talent of the 4th Generation Girl Group. At the same time, they also conveyed the support and nostalgia for the teenage girls 'generation, showing the characteristics of Korean pop music culture. From a societal point of view, paying tribute to Girls 'Generation was not only an interpretation of classic works, but also a kind of inheritance and development of Korean culture. Korean culture has a deep history and cultural heritage. By paying tribute to Girls 'Generation, we can better understand and inherit the essence of Korean culture. In short, the Song Festival 4th Generation Girl Group's tribute to Girls 'Generation is an important music and cultural event that showcases the high level and cultural value of Korean pop music, and also provides us with an opportunity to understand and inherit Korean culture.