The lyrics sung by Pink as he huddled in the bathroom stall later resurfaced in "Moment of Clarity" in Waters' solo album: "The Pros and Cons of Hitch-Hiking" He also uses some lines which surfaced in Pink Floyd's next album, "The Final Cut". Waters originally presented the band with the concepts for both "The Wall" and "Pros and Cons", and the band decided to do "The Wall".
http://www.imdb.com/title/tt0084503/trivia
The lyrics sung by Pink as he huddled in the bathroom stall later resurfaced in "Moment of Clarity" in Waters' solo album: "The Pros and Cons of Hitch-Hiking" He also uses some lines which surfaced in Pink Floyd's next album, "The Final Cut". Waters originally presented the band with the concepts for both "The Wall" and "Pros and Cons", and the band decided to do "The Wall". http://www.imdb.com/title/tt0084503/trivia