So Long, Frank Lloyd Wright is a heartfelt tribute by Simon & Garfunkel to the famous American architect Frank Lloyd Wright, but it also serves as a metaphor for their own partnership and the impending end of their collaboration. The lyrics nostalgically reflect on past achievements and the bittersweet feeling of parting ways. Themes of creativity, enduring legacy, and the passage of time are poignantly explored. Noteworthy moments in the song include the lines 'Architects may come and architects may go / And never change your point of view,' symbolizing how artistic visions may change but some legacies remain unmatched.