noise?

Lou Reed's Metal Machine Music can be considered a total work of originality

silence?

John Cage's 4'33"

edit - oh nvm, you can disregard my post, both have been discussed above

Nothing is completely original and that's whey I get suspicious of people who praise something for being completely original and unique rather than for much else.

This one beats it with a good 15 years:



And that said, whoever moved heavy furniture across the room before 1960 even beats that one.