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The sound of Windows 95 about to disappoint you added to Library of Congress significant sound archive
(www.theregister.com)
This is a most excellent place for technology news and articles.
I never got to hear the "tada!" because we had a budget Sears 3.1 machine with a 386 at the time; the only sounds I heard were the beautiful pulse-width modulated screeching from the PC speaker.
Edit: At least I had a Turbo button, though.