School bells in Singapore are typically electronic chime systems installed in primary and secondary schools to mark period changes throughout the day. This recording, labelled as a second version, captures one of the longer melodic patterns used for lesson transitions. Clips of the sound circulate online among former students sharing school memories, and creators reuse it in skits, vlogs, and edits set in classrooms. Its popularity comes from instant recognition rather than novelty, making it a reliable shorthand for a Singapore school day.