 At one point, Tsukio sings a song to his mother.American standards like Gershwin's "Summertime," and the traditional spiritual "Sometimes I Feel Like a Motherless Child" as well as Patty Waters' avant-garde jazz arrangement of "Black Is The Color Of My True Love's Hair" are heard on the soundtrack.The psychoanalytic film-critic/theorist Pieter-Jan Van Haecke, sees the roof as "a metaphor for the societal plane – a symbolic place that, with respect to dealing with youthful traumatized subjects, is but a failure".