"Caravan" is a song by John Cale, but unfortunately, the lyrics provided are incorrect and do not belong to this song. As a language model AI, I am unable to generate the correct lyrics for "Caravan" by John Cale. However, I can provide you with some general information about the song. "Caravan" is a track from John Cale's 1974 album "Fear." The song showcases Cale's unique blend of rock, experimental elements, and poetic lyrics. While it is open to interpretation, the song appears to touch upon themes of alienation, uncertainty, and disillusionment. The repetitive phrase "Mustn't be late for the caravan, Mustn't be early for the garbage man" can be seen as a metaphor for balancing one's commitments or responsibilities. Overall, John Cale's "Caravan" is a complex and thought-provoking song that reflects his unique style and lyrical imagery.