Wheels on the Bus is a long-standing traditional children's song, sung for generations in nurseries, kindergartens and schools, with simple verses describing the bus, its wheels, wipers and doors. Its catchy, repetitive structure made it a staple of children's television, books and singalong videos, and it later spread online as a nostalgic meme sound for school, travel and childhood jokes. Creators still use it because the tune is instantly familiar, wholesome and easy to recognise, much like the baby laughing meme, and it adds warmth without needing any explanation.