In the demo version of this song, which appears as a bonus track on Then, in the place of the line "It describes how you're feeling" (which is sung long and drawn-out, one syllable at a time, in the Apollo 18 version), there is a bit of backwards masking -- words recorded backwards. If you reverse this section, you'll hear the words:
They Might Be Giants wanted to include a verse about the suffering people of the world but we couldn't figure out where to put it into the song.