Love it or hate it, there's a good chance that is forever etched in your egg-shaped noggin. Or how about that airy little ditty that greeted you upon bootup of Windows 95? The various tones of Microsoft may not always bring back the sunniest of memories (Vista, anyone?), but they sure are hard to forget.

The was damn near ubiquitous in the 90s. For future generations, it'll be about as familiar as those blasted we used to get sent every seven days.