What does the girl in song sadness say?

The girl in the song "Sadness" by Enigma expresses feelings of sadness, despair, and loneliness. She says, "Sadness is a lonely song, sung by the heart that longs for you." She speaks of a world that appears joyful but is actually filled with sorrow, and she compares her sadness to a shadow that follows her. The girl also mentions the inability of others to understand her pain and the feeling of isolation and confinement. Throughout the song, she conveys the depth of her sadness and her yearning for connection and understanding.