In the line "I go outside where darkness sets me free" in "Cubist Town," "free" is sung with a melisma (C Db C Bb C, I think). Since the word isn't constrained to a single pitch, there's a sense of its meaning.
In the line "But music filled my mind, and they passed by," "by" is sung with a melisma (C A F), musically giving a sense of movement.