Another Brick in the Wall is a three-part composition on Pink Floyd's 1979 rock opera The Wall, written by bassist Roger Waters. "Part 2", a protest song against rigid schooling, features a children's choir. At the suggestion of producer Bob Ezrin, Pink Floyd added elements of disco. The Wall paru le . Respectivement sous-titrées Part 1, Part 2 and Part 3, ces chansons sont importantes dans le concept de l’album, puisqu’elles marquent la construction du mur derrière lequel s’enferme Pink, le personnage principal de l’album.