 Backmasking was also parodied in a 2001 episode of the television series The Simpsons entitled " New Kids on the <unk> . " Bart Simpson joins a boy band called the Party Posse , whose song " Drop Da Bomb " includes the repeated lyric " Yvan <unk> <unk> . " Lisa Simpson becomes suspicious and plays the song backward , revealing the backmasked message " Join the Navy " , which leads her to realize that the boy band was created as a subliminal recruiting tool for the United States Navy . 
