Go on, I'll wait. That, my friends ... Whaddaya mean you don't recognise it? It's the Windows 95 start-up sound, and it's recently been added to the US Library of Congress list of nationally ...

It’s now 25 years ago that Windows 95 was launched, the operating system that gave the majority of 1990s PC users their first taste of a desktop-based GUI and a 32-bit operating system.