As one of Ma Di's representative works, Nan Shannan is a blend of poetic talent and melodic talent, with a sense of poetic vicissitudes. Words and expressions are touched by notes and instrumental music, and they sing a feeling of sadness, frustration and confusion. The tune is composed of guitar, piano and violin. Using the samples in Four Seasons Song and the children's voice at the end of the song, the song is made into flashback memories and fixed old photos.