From Started Early, Took My Dog, by Kate Atkinson:
They stood for an eternity corralled between railings in a queue that was like a fat snake, waiting to be loaded on to boats on a shallow artificial waterway before being carried away on the current, borne helplessly into the terrifying animatronic vision of ‘It’s a Small World’. . . . The music from ‘It’s a Small World’ was lodged in Tracy’s brain. She wasn’t sure she’d ever be able to get rid of it.
Has anyone ever been on the Small World ride at any of the Disney Parks and not wondered if they would ever get the music out of their head?
Natter 