This video gives me a nerdgasm every time. Simply gorgeous, aside from the silly beginning, it was beautifully done (and makes me almost like Auto tune). If you don't know who Carl Sagan is, youtube has some of the old Cosmos episodes that are very worth watching.

Carl Sagan Auto-tuned 'A Glorious Dawn'



The cosmos is full beyond measure of elegant truths
Of exquisite interrelationships of the awesome machinery of nature