James Taylor's song 'River' is a reflective and poignant track that delves into themes of melancholy, longing, and introspection. The song captures the essence of seeking solace and finding peace in nature, specifically through the metaphor of a river. It highlights Taylor's emotional journey as he navigates through personal struggles and yearns for a sense of renewal. Key themes include the passage of time, healing, and the search for inner tranquility. Notable moments in the song are the evocative imagery of the river's flow, symbolizing life's continuity and the hope for emotional cleansing and clarity.