Cat Stevens' song 'Trouble' is a poignant and introspective track that delves into themes of personal struggle, pain, and the search for inner peace. The singer expresses a sense of being overwhelmed by life's difficulties but also hints at a yearning for relief and resolution. Key themes include despair, resilience, and the hope for a better future. Particularly poignant moments include the repetition of the word 'trouble,' emphasizing the constant presence of hardships in the singer's life, and the yearning for a wave to wash his troubles away, symbolizing a desire for cleansing and renewal.