And Ritch Ames made a video of what that'd sound like.
One of the ticket barriers in the London Underground's busy Canary Wharf station is broken, emitting a faint keening each time its gates swing open. To Ritch Ames, that "woo-hoo" sounded exactly like the hook of English alternative rock band Blur's 1997 hit "Song 2."
For your listening pleasure, Ames has brilliantly spliced footage of the barrier into the song's music video. Take a look: