Listen to the sound clip 5. 1:38 from Knock 'Em Downs: World's Fair - Video Game Music: 5. 1:38 5. 1:38 This sound is from Knock 'Em Downs: World's Fair - Video Game Music Video game music from Knock 'Em Downs: World's Fair for DS. Published by Bayer Diabetes Care (2010). Go to the full soundboardwith more sound clips Search