The Shortest Song in the World is Just 1.51 Seconds Long - Apparently.
The shortest song in the world is "Anything Goes" by British composer and musician, Rosslee, which clocks in at a mere 1.51 seconds. This avant-garde piece was recorded in 2013 and is certified by Guinness World Records as the shortest song ever recorded. The song's brevity is due to its minimalist composition, featuring only a single note played on a synthesizer. The song's existence has been verified through various online sources, including the Guinness World Records website.