Blame It On the Sun by Stevie Wonder is a soulful ballad in which the singer reflects on the end of a romantic relationship. The song delves into feelings of heartache and loss as the narrator tries to find reasons for the breakup, attributing it to various elements of nature. Key themes include love, heartache, reflection, and the natural world. One poignant moment in the song is when Stevie Wonder sings about blaming the sun and the rain, which symbolizes his struggle to understand and come to terms with the pain of lost love.