What are the literary devices used in the song uptight by Stevie wonder?

In "Uptight (Everything's Alright)" by Stevie Wonder, several literary devices enhance the song's themes and emotions. One prominent device is repetition, particularly in the chorus, which emphasizes the protagonist's feelings of hope despite challenges. Imagery is also employed, painting a vivid picture of the character's struggles and aspirations. Additionally, the use of metaphor—comparing life’s ups and downs to being "uptight"—further underscores the contrast between external circumstances and internal optimism.