'It's Just The Sun' by Don McLean is a poignant ballad reflecting on themes of loss, melancholy, and acceptance. The song explores the inevitable passage of time and the ephemeral nature of happiness. McLean uses the metaphor of the sun to discuss changes in life, emphasizing that while the sun rises and sets, marking the passing of days and time, certain emotional experiences and memories linger. One of the particularly poignant moments in the song is when the singer reflects on past relationships and the bittersweet nature of memories, capturing a universally relatable sense of nostalgia and introspection.