"Marble Machine" is a globally renowned musical composition by the Swedish folktronica band Wintergatan. Its fame skyrocketed from a viral video demonstrating a spectacular hand-built instrument, a marble machine, which uses 2,000 marbles to create a complex, captivating melody through a Rube Goldberg-like system of gears, funnels, and levers. The song itself is an upbeat, whimsical, and mechanically rhythmic piece that perfectly complements the fascinating visual spectacle of the machine in action.