"Brain Salad Surgery" is a song by the progressive rock band Emerson, Lake & Palmer, from their album of the same name released in 1973. The lyrics of the song are often considered abstract and open to interpretation. The song combines surreal imagery and wordplay to create a metaphorical representation of the human mind. The title "Brain Salad Surgery" suggests a surgical procedure performed on the brain, symbolizing a deep exploration of one's inner thoughts and emotions. The lyrics mention that it will "murder you" and "murdered me," indicating that this exploration can be both transformative and challenging. The song goes on to mention a "salad brain" and "dirty bit," suggesting a mixture of different thoughts, ideas, and experiences within the mind. The repeated phrase "it works for you, it works for me" portrays the idea that this inner exploration is universally applicable and beneficial. The term "brain rat perversity" can be interpreted as the darker aspects or complexities of the human mind. Overall, the song seems to highlight the complexity, mystery, and potentially transformative nature of the human mind and its ability to shape our experiences and perceptions. As with many progressive rock songs, "Brain Salad Surgery" allows listeners to interpret the lyrics based on their own personal experiences and perspectives. The lyrics' abstract nature encourages individual interpretation and reflection, leaving room for different meanings and stories to be extracted by each listener.