The Logical Song is Supertramp's biggest chart hit in both the United States and their native United Kingdom and is amongst their most widely recognised radio hits. Roger Hodgson composed the song from an autobiographical point of view, from his experience of being sent away to boarding school for ten years.omposition and lyrics [edit]. The Logical Song was mostly penned by Roger Hodgson; Rick Davies wrote the vocal harmony on the second chorus. The song makes use of keyboards, castanets, and an instrumental section.