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After holding auditions in December and announcing the finalists last month, the YouTube Symphony Orchestra has now released the first product of its efforts. Tonight, the 90 members of the orchestra will perform live at New York's Carnegie Hall, but this morning, the project released a mash-up video that features all the finalists, who perform the world premiere of a specially commissioned piece by Tan Dun.

Four months and hundreds of recorded submissions after we first reported on the YouTube Global Symphony, over 90 cream-of-the-crop hopefuls have been selected to participate in a classical music summit and grand performance at Carnegie Hall next month. The winners were announced today on the YouTube Blog.

Always wanted to play in a symphony? Here's your chance - without even leaving your living room. YouTube has just announced the "world's first collaborative online orchestra" - the YouTube Symphony Orchestra - a one-of-a-kind experiment that provides individual musicians with an opportunity to collaborate with other musicians all over the world.

But that's not all. If you play well enough, show some creativity, and exude passion, you may find yourself seated in the famed Carnegie Hall, performing live with other YouTube musicians.