Meaning of "Bull Black Nova" by Wilco

The lyrics of "Bull Black Nova" convey a deep sense of unease and guilt, painting a vivid picture of someone who has committed a horrific act and is now grappling with the weight of their actions. The repeated references to blood, both in the sink and the trunk, symbolize the physical evidence of the narrator's wrongdoing, serving as a constant reminder of the violence they have committed. The image of the "bull black Chevy Nova" is used as a metaphor for the chaos and destruction that the narrator is now a part of, with the car becoming a symbol of their guilt that cannot be escaped. The repeated refrain of "This can't be undone" highlights the irreversible nature of the narrator's actions and the sense of inevitability that comes with them. The overwhelming emotions of fear, anxiety, and regret that the narrator experiences are further emphasized by the frantic tone and repetitive structure of the lyrics, creating a sense of urgency and desperation. Overall, "Bull Black Nova" serves as a haunting exploration of the consequences of wrongdoing and the emotional toll that guilt can take on a person.